REPAIR OF FRONT AND REAR AXLES AND DRIVE SHAFT
Section I. REAR STEERING AXLE
(5) Install roller bearings (21) in axle (43). Install
two spindles (19) and plastic washers (20) in axle and
The steering axle supports the rear of the truck. The
install king pins (18) through bearings and spindles.
wheels are mounted on spindles. Connected to the
Align king pin hole with hole in spindle and drive spring
spindles are the tie rods. As the steering cylinder
pins (17) through spindle and king pin.
operates and rotates the pivot arm the tie rods move the
(6) Install expansion plugs (16) and stake in
spindles and turn the wheels.
(7) Install spring (6) and seat (5) in tie rod tube
10-2. Steering Axle, Removal and Disassembly
(3). Loosely install plug (4). Install tube (3), jai nut (8)
and cover (9) on tie rod end (7). Install tie rod end (7)
a. Removal. Refer to paragraph 2-31 and remove
through spindle (19) and secure with slotted nut (9) and
the steering axle from the lift truck.
cotter pin (1). Connect tie rod to ball stud (32). Tighten
b. Disassembly. Disassemble the steering axle in
plug (4) to hold tie rod in position. Install remaining tie
numerical sequence as illustrated in figure 10-1. Nuts
rod in same manner. Install lubrication fittings (10 and
(33), lock washers (34) and screws (35) were removed
when axle was removed from truck.
(8) Rotate pivot arm (26) back and forth several
times. Check rotating torque in bearings. A torque of
Steering Axle, Cleaning, Inspection and
15-25 foot pounds (20.3 to 33.8 NĚ ) will be required to
rotate pivot arm in either direction.
a. Clean all parts with cleaning solvent (Fed. Spec.
(9) If rotating torque is less than 15 foot pounds
(20.3 N m), tighten nut (22) an additional 5 foot pounds
b. Inspect all moving parts for wear, corrosion or
(6.7 NĚ ) as in (4) above.
(10) If rotating torque exceeds 25 foot pounds
c. Inspect all bearings for wear and damage.
(33.8 N m), loosen nut (22) one full turn. Strike end of
d. Replace worn or deteriorated parts.
pivot arm at nut with a soft headed mallet to unseat
(11) Repeat (4), (9), and (10) as necessary to
10-4. Steering Axle, Reassembly and Installation
provide correct rotating torque. Stake nut as shown on
figure 10-2 after proper torque is obtained.
(1) Install retaining ring (31, fig. 10-1) and press
(12) Install bearing (38, fig. 10-1) and housing
lower bearing cup (30) in axle. Press upper bearing cup
(36) on axle.
(29) in axle as shown in figure 10-2. Bearing cups must
(13) Install spacer (13), lock washers (14), nut
be firmly seated.
(15) and adjusting screw (12) on truck frame.
(2) Install upper seal (27, fig. 10-1) on pivot arm
(14) Install lubrication fitting (37) in housing (36).
(26) and press upper bearing cone (28) on pivot arm
(15) Install washer (40), jam nut (41) and
(26) against shoulder. Refer to LO 10-3930-630-12 and
adjusting screw (39) in the axle assembly.
fill seal and bearing cone with proper grease.
(16) Install lubrication fittings (42) on axle (43).
(3) Install pivot arm (26) with assembled bearing
(17) Nuts (33), lock washers (34) and screws (35)
in center of axle assembly (43). Pack lower bearing
are installed when axle is secured to frame.
cone (25) with grease (GAA) and install in axle. Fill seal
(24) with grease (GAA) and install in axle.
(1) Refer to paragraph 2-29 and install steering
(4) Install shoulder washer (23) in axle. Using a
new nut (22) tighten washer against bearing cone with a
(2) Refer to LO 10-3930-630-12 and lubricate
torque wrench until cone begins to seat. Check torque
as bearing begins to seat. Continue to tighten nut until
(3) Refer to TMI 10-3930-630-12 and adjust
torque is 15-25 foot pounds (20.3 to 33.8 NĚ ) greater
steering axle, tie rods, and steering cylinder.
than when bearing began to seat.