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31 Cards in this Set
- Front
- Back
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How many tie down rings? |
4 |
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What shields the underside of the engine compartment? |
Belly pan |
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What kind of engine is it powered by? |
3 cylinder Water-cooled 3-53 series Detroit diesel |
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What is mounted on the back of the engine to circulate oil from a sump assembly which replaces the standard oil pan? |
An additional oil pump |
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The blower is a mechanical... |
Air pump |
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What does the engine lubrication system consist of? |
-oil pump -oil sump -oil filter -oil cooler -piping |
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If the oil becomes blocked, a bypass valve in the filter head opens at ___ psi |
18-21 |
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If the oil cooler becomes blocked, a bypass valve in the lower front cover opens at... |
52 psi |
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The valve will open if the oil pressure exceeds ____ psi, returning excess oil to the crankcase |
51 |
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The cooling system consists of a... |
thermostat and housing, water pump, cylinder block water passages, hoses, radiator, fan, V-belts, and high- temperature sender |
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When the engine temperature is below ____ degrees Fahrenheit, the coolant is restricted by the thermostat and circulates only within the engine |
170 |
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The parking brake consists of ________ that are actuated by operating the parking brake handle |
mechanically-operated disk brake packs (one on each driveline) |
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The disk brake packs are ________ splined to the axles and bolted to the fender walls |
Multiple friction disks |
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The two reduction gearboxes are __:___ speed reducing, two stage planetary gear drives which are mounted in each driveline housing |
27:1 |
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The lifting linkage consists of... |
- main telescoping hydraulic lift cylinder - two hydraulic spread cylinders - two lifting arms - support parts and hardware |
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Raises and lowers the lifting arms |
Lift cylinder |
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Pressurizes the hydraulic cylinders when the corresponding solenoid valves are operated |
Auxiliary pump |
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____ emergency stop buttons, one at each of the control stations, are used to shut down the engine should a hazardous condition arise |
3 |
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With the master switch held in the START position, the fuel shutoff solenoid ____ is energized, allowing fuel to flow to the engine |
L7 |
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Alternator ____ and its self contained voltage regulator provide the direct current to the rest of the electrical systems |
G1 |
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Allows the operator monitor the rate and direction of current flow between the alternator and batteries |
Battery voltage meter M1 |
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Protect the alternator and battery from overloads or short circuits in the rest of the electrical |
DC circuit breakers CB1 and CB2 |
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Alternator G1 supplies and controls the output voltage through... |
Its internal solid state voltage regulator |
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The output voltage is adjusted via a... |
Small square cap on the rear of the alternator casing |
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Provides for external power to start the engine should the batteries become damaged or discharged |
Aux start 24 VDC receptacle J9 |
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May be used to tap power from the alternator G1,as long as the alternator output current rating (65 amps) is not exceeded |
Aux start 24 VDC receptacle J9 |
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Limit pressure in the low pressure line of the hydrostatic transmission to approximately _____ psi |
250 |
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Connect PRV5A and PRV5B to the low pressure or return side of the hydrostatic transmission loop |
Shuttle valve SV3A, SV3B |
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Opened manually to relieve accumulator circuit hydraulic pressure prior to servicing the accumulator with nitrogen |
Needle valve |
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An open ____ allows fluid to return to the reservoir |
Needle valve |
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The accumulator stores nitrogen at _____ psi which exerts force against hydraulic fluid trapped in the accumulator circuit chamber |
650 |
