Operation and maintenance manual

Section 180-0020
SM 2119 2-02
3
DISASSEMBLY
Numbers in parentheses refer to Fig. 1.
WARNING
To prevent personal injury and property
damage, be sure lifting equipment is properly
secured and of adequate capacity to do the job
safely.
1. Remove locknuts (21), hardened washers (25) and
bolts (17) securing front axle assembly on
suspension frame (1). Using suitable lifting
equipment, remove front axle assembly from
suspension frame (1).
2. Remove bolts (18) and washers (25) securing pin
assemblies (10) and suspension mounts (6) to
suspension frame (1).
3. Remove suspension mounts (5) and locator plate
(32) assemblies from suspension frame (1).
4. If required, press spherilastic bearing (12) from
suspension frame (1).
ASSEMBLY
Numbers in parentheses refer to Fig. 1.
Note: Tighten all fasteners without special torques
specified to standard torques listed in Section
300-0080, STANDARD BOLT AND NUT TORQUE
SPECIFICATIONS.
WARNING
To prevent personal injury and property
damage, be sure lifting equipment is properly
secured and of adequate capacity to do the job
safely.
1. Using suitable lifting equipment, position front axle
assembly on suspension frame (1) and secure with bolts
(17), hardened washers (25) and locknuts (21). Tighten
locknuts (21) to a torque of 869 Nm (627 lbf ft).
2. If bearing (12) was removed during disassembly,
install a new spherilastic bearing as follows:
a. Enter spherilastic bearing (12) into bore in
suspension frame (1), ensure flats on shaft are
perpendicular to the main suspension plate.
Suspension System - Front Suspension
b. Mark a slot on bearing (12) and face of suspension
frame (1) adjacent to slot on bearing and remove
bearing (12). Apply Loctite to bearing surface.
c. Using press tool and power press (See Special
Tools), install bearing (12) in suspension frame (1),
ensuring that bearing (12) does not twist during
pressing operation.
d. Re-check angle of shaft with level gauge.
3. Install suspension mounts (5) and plate (32) assemblies
on locating bosses on suspension frame (1).
4. Install suspension mounts (6) and pin assemblies
(10) to axle mounts and secure using bolts (18) and
washers (25).
INSTALLATION
Numbers in parentheses refer to Fig. 1.
WARNING
To prevent personal injury and property
damage, be sure lifting equipment is properly
secured and of adequate capacity to do the job
safely.
1. Position suspension frame (1) assembly and trolley
under the front frame with bearing (12) to the rear.
2. Using suitable lifting equipment, lift suspension
frame (1) assembly and locate bearing (12) to its
mounting bracket. Install bushes (13) through bearing
(12) and secure with bolts (15), hardened washers
(25) and locknuts (21). Tighten locknuts (21) to a
torque of 869 Nm (627 lbf ft).
3. Apply a small bead of Hylosil Sealant around the
top edge of rubber mounts (5 & 6). Mount two
hydraulic jacks (See Special Tools) between outside
shock absorber mountings.
4. Align holes in rubber mounts (5) and locator plate
(32) assemblies with mounting pins on suspension
frame (1). Install rubber mounts (6) and pin assemblies
(10) and secure with bolts (18) and hardened washers
(25). Using a hydraulic pump to operate hydraulic
jacks, compress rubber mounts.
5. Connect chain and shackle assemblies (28) between
suspension frame (1) and tractor frame and secure with
bolts (29), lockwashers (30) and locknuts (31).