Hydraulic System
85
6.
Place a pan under the pump to catch dripping oil and unscrew all hydraulic hoses (4) that are
attached to the pump.
7.
Remove the dump valve (if equipped).
N
OTE
:
The dump valve is usually, but not necessarily, located atop the pump.
N
OTE
:
Always reinstall the dump valve and its components (shims, block assembly) as they were
before uninstallation. Make sure you do not invert them.
8.
Remove the suction block (see Figure 7
5) and save it for the new pump.
Figure 7
-
5 Suction block
9.
Disconnect the drive shaft by removing the 4 bolts that secure the shaft to the engine.
Some mechanics may rather want to disconnect the drive shaft from the pump.
The choice is up to the mechanics and is based on the type of chassis the vehicle is built on.
10.
Attach the pump to a lifting device and remove both 5/8” bolts that hold the pump to the pump
support.
11.
Remove the pump.
If need be, disconnect the drive shaft from the pump and save it for the replacement pump.
12.
Install the new pump.
Caution!
Before disconnecting the hydraulic hoses from the pump, place a pan under the pump to
catch oil that may drip down from the disconnected lines.
Summary of Contents for FEATHERWEIGHT
Page 1: ...STARLIGHT SUPERDUTY MAINTENANCE MANUAL FEATHERWEIGHT ...
Page 2: ......
Page 3: ...STARLIGHT SUPERDUTY FEATHERWEIGHT MAINTENANCE MANUAL ...
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Page 10: ...viii Table of Contents ...
Page 18: ...8 Introduction ...
Page 40: ...30 Safety ...
Page 46: ...36 Lubrication ...
Page 74: ...64 Electrical System ...
Page 90: ...80 Pneumatic System ...
Page 170: ...160 Multiplexing ...