Figure 8-14. Power Steering Pump Installation
1. Remove necessary sheet metal to gain access to the
A. Place shims between the power steering pump bracket
pump drive assembly.
end the hydraulic pump drive assembly to assure
proper alignment of drive belt. Check this alignment
2. If equipped with a Cummins engine, proceed as follows
with a straight edge.
to remove power steering pump. If not proceed with step 3.
end left side of the power steering pump.
C. Place the drive belt over the pump pulley.
B. Loosen locknut (2) and tension bolt (3). Remove the
D. Raise the power steering pump to adjust drive belt
tension. Tighten hex nut (1).
C. Remove two mounting bolts (4) end shims. Swing
PUMP DRIVE (53U37)
the power steering pump unit to the side.
GENERAL. The hydraulic pump drive mechanism consists
3. Disconnect the propeller shaft from the pump drive
of the housing, gears, and power take-offs.
assembly by removing the bolts from the drive flag.
The pumps are mounted on the power takeoff unit. The
Disconnect the linkage attached to the shifter shaft by
power take-off unit is equipped with a shifter shaft, which
removing the cotter pin and pin.
engage the pumps.
4. Disconnect pomps. Remove mounting bolts on right and
left side of the pump drive assembly. Using a suitable lifting
device, remove the pump drive assembly from carrier.
The pumps should always be disengaged when the
REPAIR. Repairs to the pump drive assembly are limited
machine is driven on the highway.
to the replacement of worn or broken parts.
REMOVAL. To remove the pump drive assembly, proceed
To gain access to the power take-offs and gears remove the