WHEEL ALIGNMENT ADJUSTMENT.

grease, using a bearing packing device, if available.

c. If measurements obtained in a. and b. above

differ by over 1/16-inch, adjust as below until wheels are

NOTE

parallel to within 1/16-inch as measured in a. and b.

Replace cups and cones as sets do not use old

above.

cone in new cup or new cone in old cup.

6-73.

WHEEL ALIGNMENT ADJUSTMENT.

c. Installation. Reverse procedures in a. above

a. Loosen (but do not remove) screws and nuts

except press bearing cups into wheel fully before

from all tie rod end clamps (figure 7034).

installing wheel.

b. Turn each tie rod an equal number of turns in

6-76.

DRIVE AXLE WHEELS.

the direction necessary to change toe-in as required.

Removal.

(1) Jack up front wheels as follows:

NOTE

Each tie rod has right hand threads at one end,

(a)

Tilt mast to extreme back position

left hand threads at the other so adjustment can

be made to change effective length without

(b)

Place block directly under mast at lift

dismounting tie rods.

cylinder.

c. When adjustment has been completed, tighten

(c)

Tilt mast forward until wheels are clear.

tie rod clamp screws and nuts and recheck wheel

alignment measurement(para 6-72).

(2) Remove 12 nuts (12, figure 7-35), washers

(13) and bushings (14) holding wheel and brake drum

6-74.

REAR WHEELS

(11) to truck.

Removal.

(1) Lower forks fully and tilt mast back. Raise

(3)

Remove wheel.

rear of truck until wheels clear floor.

NOTE

(2) Remove cap (5, figure 7-34) and remove

If brake lining drags on wheel, interfering with

cotter pin (7), nut (8), and washer (9) from bore of

removal, slack off adjustment of brake adjusters

wheel.

by vigorously wiggling wheel to force

brakeshoes inward. If wheel still will not come

(3) Draw wheel from steering axle spindle.

off, release brake adjusters by reversing brake

Because of manufacturing tolerances the cone and

adjustment procedure (para 6-36) until brake

rollers of the inboard bearing may remain with spindle.

shoes are fully retracted.

If so, it can easily be removed. Avoid damaging oil

seal, if possible, when removing wheel.

Installation. Reverse procedures in a. above.

b. Installation. Reverse procedures in a. above,

Adjust service brakes (para 6-36).

tightening wheel nut snug, then backing it off not more

than 1/6 turn, and install cotter pin.

6-77.

HOIST CYLINDER.

(Dual Mast Assembly

Truck)

6-75.

REAR WHEEL BEARINGS.

Removal

a. Removal.

(1) Fully lower upright assembly.

(1) Remove rear wheels (para 6-74).

(2)

Remove load backrest from carriage

(2) Pull bearing cups (10, figure 7-34) from

(para 6-31).

bore of wheel. A suitable bearing puller may be used to

pull bearings from wheel if they stick in bore.

(3)

Remove chain assembly (para 6-33b).

Service.

(4) Disconnect hose at hoist cylinder elbow

(1) Clean bearing with SD and dry thoroughly.

(7, figure 7-23) and plug to prevent entrance of dirt.

NOTE

(5) Remove four screws (15) lockwashers

Do not use compressed air and spin dry.

(16) retainers (13, 14) securing hoist cylinder to

crosshead.

(2) Inspect cups and rollers for wear or

failure.

Inspect cone and roller assemblies for

(6) Slide hoist cylinder from uprights, being

roughness when rotated.

careful not to lose pivot ball (47).

(3)

If bearings are serviceable, repack with

6-24