CAUTION
2-17
TANDEM PUMP REPLACEMENT 2.10
Installation
Upon reassembly, inspect the outside area of the tandem
pump housing for damage that may have occurred in tran-
sit or handling.
1 Attach a lifting device to the tandem pump.
2 Apply lithium type grease to the tandem pump input
shaft and the flywheel coupling splines. (fig. C2616).
C2616
C2610
1
4
3*
2
5
C2069
C2617
5 Connecting the 4 high pressure drive hoses and fit-
tings to the tandem pump can only be accomplished in a
specific sequence. (fig. C2610). Install the bottom 90º
connector to the tandem pump first, then the bottom
straight connector.
A Hose no. 1 connects to the top port of the left hand
drive motor.
B Hose no. 2 connects to the bottom port of the left
hand drive motor.
C* Hose no. 3 is the charge pressure line, connect to the
hose from the hydraulic filter. This fitting must be
installed before connecting hose no. 4 and 5. See fig.
C2611 next page.
D Hose no. 4 connects to the bottom port of the right
hand drive motor.
E Hose no. 5 connects to the top port of the right hand
drive motor.
Torque the fittings and hoses according to the Torque
Chart in Section 8.
3 Install the tandem pump to the engine bellhousing
lining up the input shaft splines with the flywheel cou-
pler. (fig. C2617)
4 Install the 2 mounting bolts. Torque the 2 mounting
bolts to 60 ft/lbs. (82 nm.) Remove the lifting device.
To prevent personal injury, do not attempt to lift
heavy objects without assistance.
High pressure hose layout
Line up pump spline to flywheel coupler
Lithium type grease
Not exactly as shown
IMPORTANT
When making repairs to the hydraulic system, keep
the work area and parts clean. Use caps and plugs
on all open line and ports.
Bellhousing
Flywheel coupling
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