MAINTENANCE OF FORKLIFTS - OD1660 - LESSON 1/TASK 1
(c) After reassembly, the pump should be bench tested by
driving it at 2800 rpm while loading the pump to 1600 pounds per
square inch (psi). The pump capacity is 30 gallons per minute.
NOTE
After reassembly, run the pump for 30 minutes at
2000 rpm while pumping SAE NO. 10 oil at 0 psi
pressure.
b.
Engine Driven Pump.
The engine driven pump is of the single-
unit-type and is coupled directly to the engine balance shaft.
FIGURE 7.
ENGINE DRIVEN HYDRAULIC PUMP.
(1) Maintenance of this pump is the same as for the main pump.
Therefore, when removal, disassembly, inspection, reassembly and
testing is performed, follow the procedures given in paragraph 6a(2),
beginning on page 14.
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