ADJUSTMENT CHECK.

Figure 477. Wheel Removed

Figure 478. Axle End Removed

soap thickner containing anti-wear, anti-rust and

4-75. CLEAN AND REPACK AXLE ENDS.

anti-oxidants with EP additives. To meet or exceed

Clark Specifications MS-107 and Timken Test 40

a. Every 1000 operating hours or every six

lbs. minimum (NLGI No. 1 or NLGI No. 2).

months of operation, whichever occurs first, clean

and repack the axle ends using a smooth stringy

4-74. ADJUSTMENT CHECK.

multi-purpose grease or refined mineral oil blended

with a lithium soap thickner containing anti-wear,

a. Inspect adjustment

of bearings by gripping top

anti-rust and anti-oxidants with EP additives. To

and bottom of tire,

chuck tire in and out to

meet or exceed Clark Specifications MS-107

determine looseness or

wobble. Now grip front and

additives.

rear side of tire, chuck

tire in and out to determine

looseness or wobble.

Test 40 lb. minimum (NLGI No. 1 or NLGI No. 2)

Shell Aluania EP Grease No. 1 or No. 2

Sun Prestige 741 EP No. 1 or

742 EP No. 2

Before making wheel bearing adjustment,

Gulfcrown Grease EP No. 2

be sure play (looseness or wobble) is in the

Amolith Grease EP No. 2

wheel bearings and not in the king pins. (If

Citgo HEP No. 1 or No. 2

wheel bearings need adjustment, clean and

Texaco Multifak EP No. 1 or

repack bearings before making adjustments.

Marfak All Purpose No. 2

Refer

to lubrication instructions in

Molub-Alloy General Purpose

preceding paragraph.)

Grease No. 1 or No. 2

or the equivalent of the above listed lubricants.

b. If bearings are loose and require adjustment,

refer to figure 4-76 and remove hub cap and

b . Tilt upright back. Place solid heavy blocks

under each upright rail. Tilt upright forward until

s p i n d l e cotter pin. Tighten nut with a 12 inch

vertical to the floor. This should allow the drive

wrench and at the same time rotate the wheel in

wheels to clear the floor. Remove the wheels

one direction and then in the other until there is

from the hub assembly. See figure 4-77.

a slight bind to be sure all bearing surfaces are in

contact. Then back off the nut l/6 to l/4 turn,

allowing the wheel to rotate freely. Secure nut at

c. Remove hub cap, cotter pin, washer, spindle

t h i s position with a new cotter pin and replace

nut and pull hub assembly from vehicle (see

hub cap.

figure 4-78).

4-55