(10) Operate the roller and check the hydraulic pump for leaks and proper operation.
151.
Hydraulic Pump Packing (fig. 65)
a. General. The pump packing is mounted on the pulley (5) end of the hydraulic pump shaft. It prevents air leakage
into the pump and oil leakage out of the pump when the pump is not running.
1
Outlet line fitting
7
Mounting bracket
2
Fitting nut
8
Inlet pipe
3
Pump body
9
Pipe elbow
4
Arrow indicating pump rotation
10
Hose clamp
5
Pump pulley
11
Inlet hose
6
Mounting bracket screws
12
Cover screws
Figure 65. Hydraulic pump.
166
