Tech-
nical
Service
inspec-
tion
Monthly Weekly
CONTROL SYSTEM
Gages. Check the condition and mounting of the fuel supply gage, oil pressure gage,
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and coolant temperature gage. See that all gages and connections are secure.
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Tighten loose gage mountings. Replace or repair defective gages and connections
Meters. Check the ammeter and hourmeter for condition, secure mountings, and
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proper operation.
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Tighten any loose mounting screws and connections. Replace the ammeter (par.
120b) and hourmeter (par. 121b) if damaged or defective.
Pumps and drives. Check condition and mounting of the hydraulic pump and pump
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drive. With the pump operating, check for any unusual noise and for oil leaks in the
suction line. Inspect the pump drive belt for wear and belt tension.
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Tighten any loose bolts or nuts and leaky line connections. Replace a defective pump
with new or reconditioned one (par. 150b). Replace the pump drive belt if worn.
Valves and cylinders. Check for excessive wear or play in the operating valve. Check
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the operating valve and regulator valve mountings. Check for leaks in hydraulic oil
lines. Inspect the hydraulic cylinder for loose mountings, loose line fittings, gasket
leaks, and loose gland packing.
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Tighten the operating valve, regulator valve, and hydraulic cylinder mountings if loose.
Replace worn or damaged mounting bolts. Replace line fittings and oil seals if
leaking. Tighten the gland packing in the hydraulic cylinder (par. 153c). Replace the
operating valve (par. 155c) if defective. Replace the hydraulic cylinder (par. 152b) if
defective.
Levers, pedals, linkage. Check levers and pedals for proper operation and adjustment.
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Inspect the control rods and linkage and see that all connecting pins, locknuts , and
bolts are in place and secure.
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Adjust the lever and pedal linkage if necessary. Tighten or replace any loose or
missing mounting items. Straighten or replace bent or damaged control rods.
FRAME AND MOUNTINGS
Frame. Inspect the frame for broken or damaged parts. Check all weldings. Inspect
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the braces and brackets for damage and loose mountings. Check the oil cover,
bottom sheet assembly, cover assembly, handles, and side plate and head assembly
for broken or damaged parts. Inspect the operator's platform, brackets, and supports
for broken or damaged parts. Inspect the gear guards and gear guard supports for
broken or damaged parts. Check the doors, top cover assembly,
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