S0708460K
Page 25
Main Pump (Denison T6DMY Series)
J. Install cover in position; move back and forth until cartridge pins drop into cover holes.
K. Oil and install cover to body bolts (4 required). Torque to value noted in Figure 8.
L. Turn pump shaft by hand to verify freedom of cartridge.
START-UP PROCEDURES
Whenever it is possible to do so, fill pump ports with system hydraulic fluid. This will make it easier for
pump to prime when it is first started.
Self-Priming - With a minimum drive speed of 600 rpm, a pump should prime almost immediately. Failure
to prime within a reasonable length of time may result in damage due to lack of lubrication. Inlet lines must
be tight and free from air leaks. However, it may be necessary to crack a fitting on outlet side of pump to
purge entrapped air.
No-Load Starting - These pumps are designed to start-up with no load on pressure ports. They should
never be started against a load or a closed center valve.
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