Lines and Fittings - TM-10-3930-624-120096

(3) The bubble in the level of the protractor

4-63. Oil Reservoir

should center if the degree of backward tilt is correct.

a. General. The hydraulic oil reservoir is located

at the right side of the truck frame below the corner

Note. Check both the right and the left side

post. The purpose of the hydraulic reservoir is to hold

of the mast assembly and at the same time make

sufficient oil for the entire hydraulic system. The

reservoir is composed primarily of the dipstick and filler

sure both cylinders have bottomed.

screen, breather assembly, suction hose and filter

screen, and drain plug.

(4) If adjustment is necessary, tilt the mast to

b. Servicing. Refer to figure 4-60.

the forward position and loosen the capscrew on the tilt

cylinder clevis. Loosen the hex nut and place a wrench

on the adjusting hex on the tilt cylinder rod and, turn in

or out of the clevis to obtain the proper adjustment (fig.

4-59). Tighten lock nut.

(5) After each adjustment, check the degree

of tilt. When the proper degree of tilt is obtained tighten

the capscrews at the yoke.

(6) The forward tilt angle is automatically

adjusted when the backward tilt is set.

Figure 4-60. Hydraulic oil reservoir.

(1) Disconnect the suction and return lines at

the reservoir.

Figure 4-59. Tilt cylinder yoke.

(2) Remove the breather. Clean the outside

and inside of the reservoir with a cleaning solvent.

4-62. Lines and Fittings

(3) Dry with compressed air.

a. Inspection.

(4) Install the breather and suction and return

(1) Inspect all fittings for damaged or stripped

lines.

threads.

(5) Service the reservoir every 1000 hours.

(2) Inspect clamps for cracks, stripped

(6) Clean the filter screen at the suction hose

threads, perforated bands, or other damage.

with a cleaning solvent every 1000 hours.

(3) Inspect flexible lines for soft spots, cracks,

breaks, punctures, fraying, or other signs of damage or

4-64. Oil Filter

wear.

a. Removal.

(4) Inspect metal tubing for cracks, breaks,

(1) Remove the right-hand cowl.

wear or corrosion leaks, bends which could greatly

(2) Remove the nut and washer (fig. 4-61)

reduce effective oil flow, and other damage.

from the hydraulic oil filter head.

b. Replacement.

(1) Remove any clamps which may hold the

lines to the body or engine.

(2) Replace any lines or fittings as necessary.

4-48