Table 2-1. Preventive Maintenance Checks and Services (Cont'd)
Remove, clean and test spark plugs. Adjust
gap to 0.025 in. Torque spark plugs 15 to
Inspect steering axle for insecure mounting.
Inspect king pins and center arm for
insecure mounting and wear. Check
wheels to be sure there is 0° toe-in.
Inspect for insecure mounting, leaks, bent
fins, and obstructions. If necessary add
coolant until level is just below filler neck.
Crankcase vent hose and vent line from
rocker arm cover may be cleaned with
compressed air. Rocker arm cover valve
may be cleaned with a cleaning solvent.
Inspect for broken seal. Replace extin-
guisher if gage does not indicate full
V-Belt and Pulleys
Inspect belt for frayed condition, wear,
glazing, and deterioration. Inspect
pulleys for breaks and insecure mounting
Adjust V-belt for ½ inch deflection mid
way between pulleys.
Hydraulic Fluid Tank
Check level of hydraulic fluid. Refer to
current LO and add fluid as required
Clean or replace the breather filters and
Inching and Service Brake
Check service brake pedal for free travel
Pedals and Linkage
of ½ inch. Inspect for insecure linkage.
Inspect inching pedal and linkage for
Hand Brake Lever and
Inspect for insecure mounting, improper
operation. and maladjustment. Check
cable for wear and frayed condition.
Check for leaks and insecure mounting.
Adjust for correct degree of tilt of 3° for-
ward and 10° back.
Inspect for burned out lamps and defective
leads. Replace lamps and leads as neces-
Inspect chains for wear and inspect rollers
for breakage and binding. Adjust chain
so that the carriage lifts evenly.
Inspect for leaks and insecure mounting.
Replace damaged instruments. Tighten TM 10-3930-618-10
Controls and Instruments
loose mountings. With engine running,
cheek controls and instruments for im-
proper operation. The normal instrument
Ammeter-Indicates slight positive charge
Hourmeter-Register total hours of opera-
Oil pressure gage-25 to 30 psi
Temperature gage-160°F. to 180°F.