OPERATING PROCEDURES
6-5
Model 736
Operating Procedures
6
4. Lubricate the interior surfaces of the pump body
(the rear wall, pin, and bushing).
Figure 6-19
5. Insert the drive gear on the bushing; check that the
upper face of the gear is flush with the rim of the
pump body.
Figure 6-20
6. Insert the driven gear on the pin; check that the upper
face of the gear is flush with the rim of the pump
body. Lightly lubricate the flat faces of both gears.
Figure 6-21
7. Install the pump cover on the pump body studs.
Note: The pump cover holes have different
diameters to prevent incorrect assembly.
Install the handscrews and tighten them equally to
make sure the pump is closed.
Figure 6-22
Note: Do not lubricate the graduated holes.
8. Slide the regulator O-ring into the groove on the
liquid regulator and lubricate.
Figure 6-23
9. Insert the regulator spring into the liquid regulator
seat. Insert the pump valve into the spring so the
larger part is out of the spring.
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