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CAT PUMP HIGH PRESSURE SETTING PROCEDURE
Hold the unloader (A) with a 7/8 in. wrench (B), turn the locking nut (C) down to the unloader and tighten the
locking nut using torque setting as shown. Mark the nut and cap with a paint dot to indicate if the customer
has adjusted the unloader at a later time. (See Figure 29.)
If the pump has heat damage, due to running pump with no water in it then this would not covered under
warranty.
If the pump has no pressure after the above adjustment, further analysis is required.
BEARING COVER SCREWS
50 in. lbs.
OTHER:
BUBBLE OIL GAUGE: 45 in. lbs.
DRAIN PLUG: 45 in. lbs.
(C)
50 in. lbs.
FILLER PLUG
750 in. lbs.
26
(B)
MANIFOLD HEAD SCREWS
132 in. lbs.
50 in. lbs.
(A)
Fig. 29
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Troubleshooting
