Showing 235 items
matching maintenance equipment
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Bendigo Military Museum
Photograph - Lithographic Squadron Personnel and Equipment, Army Survey Regiment, Fortuna, Bendigo, c1990
These 28 photographs of Lithographic Squadron personnel and equipment was taken at Fortuna, Bendigo circa 1990. The photos were taken on the east side of Fortuna Villa, the Print Room’s map trimming and dispatch work area and the inside and outside Air Survey Support Section (BARCRO).These 28 photographs of Lithographic Squadron Personnel and Equipment was taken at Fortuna, Bendigo circa 1990. The 35mm colour photograph negatives were scanned at 96 dpi and are part of the Army Survey Regiment’s Collection. .1) - Photo, colour, c1990. RAEME and maintenance support, unidentified civilian. .2) - Photo, colour, c1990. Eastern side of Fortuna Villa, unidentified, CPL Le-Anne (Smallshaw) Shirley. .3) - Photo, colour, c1990. Eastern side of Fortuna Villa, SGT Gary Kerr. .4) - Photo, colour, c1990. Eastern side of Fortuna Villa, CPL Roy Hicks. .5) - Photo, colour, c1990. Eastern side of Fortuna Villa, unidentified. .6) - Photo, colour, c1990. Unidentified passing Q-Store & Transport Compound. .7) - Photo, colour, c1990. Data Management & Map Library. .8) - Photo, colour, c1990. Unidentified officer passing Q-Store heading up to Map Library. .9) - Photo, colour, c1990. Eastern side of Fortuna Villa, SPR Michelle Withers. .10) - Photo, colour, c1990. Unidentified RAEME soldier passing Q-Store heading up to Map Library. .11) & .12) - Photo, colour, c1990. Delivery of bulk map printing paper. WO2 Jeff Willey on forklift, unidentified. .13) & .14) - Photo, colour, c1990. Print Room, Wohlenberg MCS-2 guillotine. .15) to .18) - Photo, colour, c1990. Air Survey Support Section (BARCRO), Carl Zeiss Rectifying Enlarger. .19) - Photo, colour, c1990. Air Survey Support Section (BARCRO), film contact frame. .20) - Photo, colour, c1990. Air Survey Support Section (BARCRO), Pakotone film development processors. .21) & .22) - Photo, colour, c1990. Air Survey Support Section (BARCRO) entry/exit. .23) & .24) - Photo, colour, c1990. Air Survey Support Section (BARCRO) miscellaneous equipment. .25) & .26) - Photo, colour, c1990. Air Survey Support Section (BARCRO), CPL Warren ‘Waldo’ Shirley. .27) & .28) - Photo, colour, c1990. Outside Air Survey Support Section (BARCRO), L to R: WO1 Peter Coombes, CPL Warren ‘Waldo’ Shirley..1P to .28P – There are no annotations.royal australian survey corps, rasvy, army survey regiment, army svy regt, fortuna, asr, litho sqn -
Ballarat Tramway Museum
Equipment - Compressor Fuse Box with fuse
Item used to contain the compressor fuse on tram 14, salvaged during the project to renew the wiring of the tram. The box was located alongside the circuit breaker at No. 2 end of the tram. Demonstrates an item fitted to a tramcar to contain a renewable fuse.Wooden box containing a fuse, fuse holder and short sections of associated wire. The fuse holder is secured to the base of the box with brass screws. The box has a cover secured with a brass screw. There are two pieces of wire secured on the ceramic fuse holder, one of which the insulation has deteriorated and fallen off. The other wire has its cloth covered rubber insulation remaining in position. The outside of the box has been painted with the SEC tram green paint. fuse, tram 14, tramcars, tramcar maintenance -
Ballarat Tramway Museum
Equipment - Motor lead terminal block, c1915
Item used to terminate motor leads on a tram. The wood block is used as insulation and is located on the wooden body of tram on one side of the motor access hatch to allow a worker to easily disconnect the leads.Demonstrates an item fitted to a tramcar to terminate motor leads.Softwood wood block fitted 8 brass bolts and two steel engine bolts.tram 14, tramcars, tramcar maintenance, motors -
Melbourne Tram Museum
Photograph - Composite image of cable tram maintenance facilities and grip mecanism, 1910c
Composite photograph from a journal showing five scenes of the equipment and operational facilities of the cable tram system - a power house, Nicholson St workshops paintshop, the iron shop and the wood shop. Includes an image of the grip mechanism.Yields information about the cable tram workshopsComposite photograph of cable tram maintenance facilities and grip mechanism.Melbourne 1 – Power House No. 3 2 – Paint shop – Nicholson St W/S 3 – Grip Mechanism 4 – Iron Shop – Nicholson St W/S 5 – Wood Shop – Nicholson St W/S Copy neg Mark Plummer collections ex late John Alfred collection. cable trams, melbourne, grip, workshops, nicholson st workshops, power house, engine house -
Ballarat Tramway Museum
Equipment - Taillight switch and fuse board, State Electricity Commission of Victoria (SECV), c1950
Item used to switch on or off the red tail lights circuit on a tram. Made by the SECV. The board was located next to the 6V battery that was used to power the tram tail lights when the trolley pole was being reversed under a passenger seat.. Demonstrates an item fitted to a tramcar to switch an external lighting circuit.Softwood wood board with a bakelite two pole switch marked "on" and "off" and a Federal 250V 15A rewireable ceramic fuse attached. Has remnants of cloth covered copper wire on the rear. See item 9024 for an associated drawing."12" in blue pencil.fuse, tram 14, tramcars, tramcar maintenance, electrical switching -
Ballarat Tramway Museum
Equipment - Edison Screw lamp holder, c1915
Item used to hold a light bulb inside a tram roof. Made in England, with a horse shoe makers mark and that it is "Vitreous" formed into the base of the item. Recovered from tram 14 during the project to rewire the trams. New light fittings are 24V rather than 125V DC.Demonstrates an item to hold a Edison Screw lamp inside a tram.White ceramic base fitted with a brass formed Edison Screw lamp holder fitted with screw terminals and brass parts. One of the securing brass screws remains in the holder.tram 14, tramcars, lights, electric lighting, tramcar maintenance -
Ballarat Tramway Museum
Equipment - Length of tramcar air pipe, c1920
Example of small diameter airpipe for the supply of air to the air gauge or sanding mechanism. Recovered from tram 14 during the project to replumb or replace the air system on the tram. Has been corroded internally.Yields information about the size of air piping fitting to a tram.Length of steel air pipe - with screw thread at one and half of brass union at the other. Has corroded internally.tram 14, tramcars, tramcar maintenance, air gauges, piping -
Ballarat Tramway Museum
Equipment - Taillight relay and box, State Electricity Commission of Victoria (SECV), c1950
Item used to switch the power for the red tail lights circuit from the trolley pole to the battery circuit when the trolley pole was being reversed and not able to provide power to the internal and external lights. Made by the SECV. Salvaged from tram 14 during the project to renew the wiring and electrical arrangements of the tram. The box was located adjacent to the driver's windows and would click when the trolley pole was placed back on the overhead.Demonstrates an item fitted to a tramcar to switch an external battery tail lighting circuit.Wooden box made from softwood with bevelled corners, plywood top painted green containing an 8 Ohm "Post Office" type relay (see reference) fitted with two "break" contacts and associated insulated wiring soldered to the relevant contacts. See item 9024 for an associated drawing. Two examples held.fuse, tram 14, tramcars, tramcar maintenance, electrical switching -
Ballarat Tramway Museum
Equipment - Samples of tramcar wiring - old and new, c1915
Recovered from tram 14 during the project to rewire the tram and replaced by equivalent size wire, both control and accessory wiring.Demonstrates the type of wiring used in the tram.Six pieces or sample of wiring from tram 14. Three are original wiring showing deterioration of the cotton/rubber sheathing over the copper wire. The other three are replacement samples used in the 2024 project to rewire the tram.tram 14, tramcars, lights, electric lighting, tramcar maintenance -
Wangaratta RSL Sub Branch
Uniform - Army Battle Jacket
Item belonged to Lieutenant Leonard V. GREAVES 310387. Blue lanyard and shoulder patches indicate GREAVES served with the Royal Australian Electrical and Mechanical Engineers (RAEME)The Royal Corps of Australian Electrical and Mechanical Engineers (RAEME) is a corps of the Australian Army that has responsibility for the maintenance and recovery of all Army electrical and mechanical equipment. RAEME has members from both the Australian Regular Army and the Army Reserve. Prior to being given the title of 'Royal', the Australian Electrical and Mechanical Engineers (AEME) were raised on 1 December 1942. Some 64 years later, on 1 December 2006, the last independent RAEME Workshop was disbanded. RAEME soldiers continue in their role to provide support through attachment to other units in Tech Support Troops, Sections or Platoons.Short jacket with shoulder epaulets made from khaki material with blue lanyardShoulder patch - Royal Australian Electrical and Mechanical Engineersraeme, battle jacket, army, lt. leonard greaves -
Wangaratta RSL Sub Branch
Uniform - Army Mess Dress, 1967
Army mess dress is the formal military evening dress worn by Army officers and senior non-commissioned officers in their respective messes or at other formal occasions. Tailor made item belonging to Lieutenant Leonard V. GREAVES 310387. Badges attached to jacket collar indicate GREAVES served with the Royal Australian Electrical and Mechanical Engineers (RAEME). This uniform serves as an example of the military dress worn by the Royal Australian Electrical and Mechanical Engineer during the late sixties.The Royal Corps of Australian Electrical and Mechanical Engineers (RAEME) is a corps of the Australian Army that has responsibility for the maintenance and recovery of all Army electrical and mechanical equipment. RAEME has members from both the Australian Regular Army and the Army Reserve. Prior to being given the title of 'Royal', the Australian Electrical and Mechanical Engineers (AEME) were raised on 1 December 1942. Some 64 years later, on 1 December 2006, the last independent RAEME Workshop was disbanded. RAEME soldiers continue in their role to provide support through attachment to other units in Tech Support Troops, Sections or Platoons.Two piece dark blue/black material suit consisting of long pants with red stripe and jacket with metal buttons and two badges attached to collaraustralian army mess dress, raeme -
Moorabbin Air Museum
Manual - Aircraft Communications Systems, ARC Type 210 VHF Communication Equipment
Technical overview of installation, operation & maintenance of Arc 210 VHF communication equipment in aircraftSpiral bound manualnon-fictionTechnical overview of installation, operation & maintenance of Arc 210 VHF communication equipment in aircraft -
Melbourne Tram Museum
Newsletter, Public Transport Corporation (PTC), "Tram and Bus Newsletter ", Mar. 1992
Set of five photocopied newsletters titled "Tram & Bus Newsletter", printed on A4 paper, two pages unless noted. .1 - Feb. 1991 - No. 1 - 7 pages stapled in the top left hand corner - Editorial by Russell Nathan, list of new staff at depots, Swanston St Walk, Z class, B1 class delivery, buses, services, AVM, new staff, happenings at Depots, ticketing, Kew Depot 75th. .2 - March 1992 - No. 3 - giving details of new starts at Glenhuntly, Malvern and South Melbourne depots, recruitment now done at the CES, Moomba services, revised timetables for North Fitzroy and Doncaster, vehicle availability (not good at all), 200km relay run involving PTC teams. .3 - April 1992 - No. 4 - wages, staff health, sand hoppers at depots, Swanston Walk, St Georges Road tram works. .4 - April 1992 - No. 5 - Awards, W class tram roofs, tram availability, conductors, Football services. .5 - June 1992 - No. 7 - Resignation packages, conductors, Unions, wages, OH&S, Roistering - HASTUS system - see also item 7232 for marketing details.trams, tramways, ptc, glenhuntly tram depot, south melbourne depot, malvern depot, north fitzroy, doncaster depot, sports, w class, maintenance, public relations, swanston st, z class, buses, services, avm, preston depot, south melbourne depot, north fitzroy, elwood depot, kew depot, sanding equipment, st georges rd, w class, conductors, football, awards, retrenchment, wages, unions, safety, hastus, rosters -
Melbourne Tram Museum
Document - Technical pamphlet/s, Bombardier, "Bombardier - the evolution of mobility", c2013
Company or Equipment Manufacturer technical pamphlet - 28 pages, A4 finished size, full colour, centre stapled titled "Bombardier - the evolution of mobility" providing technical information about Bombardier passenger vehicles in Australia, asset Management and maintenance capabilities and rail control (signalling) systems. Includes details of the Melbourne E class and the Gold Coast trams with photographs, Velocity and EMU's for Adelaide, Brisbane and Perth and technical details. Also gives details of offices and addresses.trams, tramways, bombardier, e class, yarra trams, adelaide, gold coast, perth, brisbane -
Melbourne Tram Museum
Document - Instruction, Melbourne & Metropolitan Tramways Board (MMTB), "RC2 and EE RC1 Controller Maintenance - Electrical Mechanics Procedure", May. 1970
Instruction - 3 pages - duplicated foolscap sheets - headed "MMTB Engineering Department - Workshops and Running Shed Branch" - titled ""RC2 and EE RC1 Controller Maintenance - Electrical Mechanics Procedure" Details electrical work to be done on the rostered day in for RC1 and EE.RC1 controllers, safety, checking, when to replaced and additional work to be done on the 4th rostered day-in service. Dated May 1970.trams, tramways, depot, safety, workshops, electrical equipment, instructions, procedures, controllers -
Melbourne Tram Museum
Document - Instruction, Melbourne & Metropolitan Tramways Board (MMTB), "K35 JJ, K35 AA2 Controller Maintenance - Electrical Mechanics Procedure", May. 1970
Instruction - 3 pages - duplicated foolscap sheets - headed "MMTB Engineering Department - Workshops and Running Shed Branch" - titled "K35 JJ, K35 AA2 Controller Maintenance - Electrical Mechanics Procedure". Details electrical work to be done on the rostered day in for K35 JJ and K35 AA controllers, safety, checking, when to replaced and additional work to be done on the 4th rostered day-in service. Dated May 1970.trams, tramways, depot, safety, workshops, electrical equipment, instructions, procedures, controllers -
Melbourne Tram Museum
Document - Instruction, Melbourne & Metropolitan Tramways Board (MMTB), "EECK1 (Clyde) Controller Maintenance - Electrical Mechanics Procedure", May. 1970
Instruction - 4 pages - duplicated foolscap sheets - headed "MMTB Engineering Department - Workshops and Running Shed Branch" - titled "EECK1 (Clyde) Controller Maintenance - Electrical Mechanics Procedure" Details electrical work to be done on the rostered day in for EECK1 (Clyde) controllers, safety, checking, when to replaced and additional work to be done on the 4th and 12th rostered day-in service. Dated May 1970.trams, tramways, depot, safety, workshops, electrical equipment, instructions, procedures, controllers -
Melbourne Tram Museum
Document - Instruction, Melbourne & Metropolitan Tramways Board (MMTB), "RC1 and RC2 remote control unit boxes - Electrical Mechanics Procedure", May. 1970
Instruction - 3 pages - duplicated foolscap sheets - headed "MMTB Engineering Department - Workshops and Running Shed Branch" - titled "RC1 and RC2 remote control unit boxes - Electrical Mechanics Procedure" Details electrical work to be done on the rostered day in for RC1 and RC2 remote control unit boxes maintenance, checks, adjustments, safety, testing and closing the boxes. Dated May 1970.trams, tramways, depot, safety, workshops, electrical equipment, instructions, procedures, controllers -
Melbourne Tram Museum
Document - Instruction, Melbourne & Metropolitan Tramways Board (MMTB), "Line Breakers GE and EE type - Electrical Mechanics Procedure", May. 1970
Instruction - 2 pages - duplicated foolscap sheets - headed "MMTB Engineering Department - Workshops and Running Shed Branch" - titled "Line Breakers GE and EE type - Electrical Mechanics Procedure" Details electrical work to be done on the rostered day in for GE and EE type line breakers, maintenance, checks, adjustments, safety, testing and closing the boxes. Dated May 1970.trams, tramways, depot, safety, workshops, electrical equipment, instructions, procedures, controllers -
Melbourne Tram Museum
Document - Instruction, Melbourne & Metropolitan Tramways Board (MMTB), "K35JJ, K35 AA2, RC1, RC2, EECK1 (Clyde) controller maintenance - Tradesman's assistant procedures", May. 1970
Instruction - 1 pages - duplicated foolscap sheets - headed "MMTB Engineering Department - Workshops and Running Shed Branch" - titled "K35JJ, K35 AA2, RC1, RC2, EECK1 (Clyde) controller maintenance - Tradesman's assistant procedures" Details electrical work to be done on the rostered day in for the work to be carried out assisting the Electrical Mechanic on his work, including lubrication. Dated May 1970.trams, tramways, depot, safety, workshops, electrical equipment, instructions, procedures, controllers -
Melbourne Tram Museum
Document - Report, Metropolitan Transit Authority (MTA), "Metropolitan Transit Authority of Victoria - Tram and Bus Division - Tram Repair Policy", c1988
Document - policy - report - 28 A4 pages, stapled in the top left hand corner titled, "Metropolitan Transit Authority of Victoria - Tram and Bus Division - Tram Repair Policy". Has table of contents. Looks at the identification of tasks between the tram construction and maintenance branch of the Tram Servicing branch. Includes notes on Bogies, bodywork and fitting, electrical and electronic equipment, W class air equipment and W class mechanical braking equipment.Has a list on the top right hand corner for distribution and "c1988" in ink.trams, tramways, mta, w class, maintenance, construction -
Melbourne Tram Museum
Document - Form/s, Melbourne & Metropolitan Tramways Board (MMTB), "Memo for Batterymen - Loading of Motor Generator Sets", "Reading recorded in testing level of Generator Set at..... Car shed", Jan. 1920
.1 - Memo on foolscap sheet dated 19/1/1920, titled "Memo for Batterymen - Loading of Motor Generator Sets" issued by the Electrical Foreman to cable tram depots to charge the battery lights for cable trams advising the requirements to keep loads and voltages at a specified level and the recordings to be made of the equipment. .2 - form - foolscap sheet titled "Reading recorded in testing level of Generator Set at..... Car shed", for recording balance or level using a spirit level of the armature shafts. Two copies of each held.trams, tramways, mmtb, cable trams, lights, tramcars, batterymen, maintenance -
Melbourne Tram Museum
Document - Report, Melbourne & Metropolitan Tramways Board (MMTB), Project 3-75 - Replacement of Substation Equipment", 1975
... Project 3-75 - Replacement of Substation Equipment", proposing..., replacement of HV equipment, costs, reliability, maintenance costs ...Digital copy of a 9 page report by the MMTB, titled Project 3-75 - Replacement of Substation Equipment", proposing to replace the rotary converters installed between 1924 and 1930 with silicon rectifiers. Gives the locations, costs, schedule of replacement commencing 1975, in particular South Melbourne, Malvern and Young St Fitzroy. Gives a background to the system, a list of all the substations at the time, including date of installation, type, replacement of HV equipment, costs, reliability, maintenance costs, and benefit to cost ratio.Has the stamp of "Joint Ministry of transport and Tramways Library" and a "Plan & EPA Library barcode"trams, tramways, substation, transformer, power supply, electrical engineering, rotary converters -
Melbourne Tram Museum
Document - Notebook, Charlie Willoughby, personal notes on tramcar maintenance, operations, recovery etc of C. Willoughby, late 1950's to early 1960's
Exercise book with personal notes on tramcar maintenance, operations, recovery etc of C. Willoughby in a Spicers Tudor Exercise book - 64 pages with arithmetical tables on the rear cover. Topics covered: Rail Grinder - details on how to operate and maintain it North Fitzroy Dick Kerr, Clyde, K35 and RC2 Controller sequences and diagrams - notes on testing and faults Buzzer wiring diagrams Maintenance of trams interiors and rooves - items to be checked for Line Breakers Lighting Circuits Compressors Trolley poles etc Air operated doors Re-railing of Maximum Traction trams - 22E ditto for equal wheel bogies ditto when split points Use of false trucks Derailments on the Royal Park line Electrical equipment faults Adjusting Trolley Poles heights and tension Notes on truck types and braking Brake diagram summary, giving specifications and a list of relevant drawings Forms for the insulation testing of the Rail Grinders Checking motor leads and electrical equipment - written on the rear of a St Patrick's Day Procession notice for 1962. Advice from Neil Elfick, 23/6/2018 knew him when the Running Shed Foreman at Kew Depot.trams, tramways, tramcars, faults, controllers, 22e trucks, derailments, accidents, royal park, grinder, notices and information, st patricks day -
Melbourne Tram Museum
Document - Instruction, General Electric, "The Care of Railway Motor Bearings", 1925
Instruction - printed on two A3 sheets, titled "The Care of Railway Motor Bearings" issued by General Electric July 1925. Details bearing lining materials for brass and Babbitt, armature, axle, iron, packing, oil levels and inspection. Original from a wall poster.trams, tramways, electrical engineering, electrical equipment, motors, electric traction, general electric, bearings, maintenance -
Melbourne Tram Museum
Document - Instruction, Westinghouse Traction Brake Co, "Westinghouse - T5001-1 SM3 Straight-Air Brake Equipment", Mar. 1927
Instruction - 64 pages + light brown card cover centre stapled with cloth binding on outer edge + fold out drawing inside the rear cover, titled "Westinghouse - T5001-1 SM3 Straight-Air Brake Equipment". Dated March 1927. Has a table of contents, outlines the rules of operating brake equipment fitted to tramcars, the SM3 and PV brake valves, SX2 brake valve, locomotive straight air, installation piping, wiring, maintenance - piston travel, lubrication, car tests, hints to Motormen and Conductors and General Hints. Includes instructions on compressors, air intakes, valves, cylinders and governors.On inside cover "Bob Prentice 13 High Street Prahran Vic 3181" and on top of first page "W. Armstrong"trams, tramways, electrical engineering, electrical equipment, westinghouse, air compressors, brakes, instructions, maintenance -
Melbourne Tram Museum
Document - Instruction, Westinghouse Air Brake Co, "Westinghouse - T5002 - Motor Driven Air Compressors for Electric Railway Service", Jan. 1938
Instruction - 92 pages + light brown card cover centre stapled with cloth binding on outer edge, titled "Westinghouse - T5002 - Motor Driven Air Compressors for Electric Railway Service". Dated January 1938". Has a table of contents, giving details for motor driven compressors, DH, D-EG, D-F, D-K, D-4-P, XQ-27, C. air strainers and installation. Includes instructions on compressors, air intakes, inspection and maintenance and disorders - causes and remedies.On inside cover "Bob Prentice 13 High Street Prahran Vic 3181" and on top of first page "W. Armstrong"trams, tramways, electrical engineering, electrical equipment, westinghouse, air compressors, instructions, maintenance -
Melbourne Tram Museum
Book, W. A. Agnew, "The Electric Tramcar Handbook", 1915
Book - six sections, 134 pages + end pages + heavy card covered with a red stippled paper titled "The Electric Tramcar Handbook", 7th Edition, written by W. A. Agnew, published by H. Alabaster, Gatehouse & Co. Ludgate Hill in 1915. Right hand of sheets rounded. Has a table of contents and index at the rear. Written for Motormen, Inspectors and depot workers. Covers many aspects of the electric circuits for trams, including controller diagrams, tramways, tramcars, controllers, overhead, brakes, on the road and faults and Breakdowns. Would have been a reference guide for training staff. Scanned in three pdf files.trams, tramways, electrical engineering, electrical equipment, air compressors, brakes, instructions, maintenance, tramcars, training, controllers, overhead -
Melbourne Tram Museum
Document - Instruction, General Electric, "General Electric - Straight Air Brake Equipment Instruction Book 84564A", Sep. 1919
Instruction - 16 pages + brown covers, centre stapled, cloth binding on left hand side and two punched holes on left hand side, right hand side has rounded corners, titled "General Electric - Straight Air Brake Equipment Instruction Book 84564A", dated Sept. 1919. Includes instructions on compressors, air intakes, valves, cylinders and governors, safety valves, motorman valves, brake cylinders, rules for operating, emergency stops, sanding of rails and general issues. Has a list of company offices on the last page.trams, tramways, electrical engineering, electrical equipment, general electric, air compressors, brakes, instructions, maintenance -
Melbourne Tram Museum
Document - Instruction, General Electric, "General Electric - Motor Driven Air-Compressors Instruction Book 84591B", Jun. 1921
Instruction - 20 pages + brown covers, centre stapled, and two punched holes on left hand side, right hand side has rounded corners, titled "General Electric - Motor Driven Air-Compressors Instruction Book 84591B", dated June 1921. Includes instructions on GE Centre Gear Type self lubricating compressors, models CP25, 27, 28, 29, 30, 127, 128 and 130. Gives details of the parts, lubrication requirements, photos, drawings including connection diagrams. Last two pages includes notes on the Induction motor-driven air compressors CPT27, 28 and 30. Has a list of company offices on the rear cover.trams, tramways, electrical engineering, electrical equipment, general electric, air compressors, brakes, instructions, maintenance