Standard Series Pump - Graco DutyMax DH230 HD Operation, Parts

Standard Series
Pump
Removal
See pump manual 334654 for pump repair.
1. Flush pump.
2. Perform Pressure Relief Procedure,
page 15.
3. Remove strainer and paint hose.
4. Push retaining ring up; push out pin.
334606J
ti25423a

Standard Series Pump

5. Loosen jam nut. Unscrew pump.
Installation
If pump jam nut loosens during operation,
the threads of the bearing housing and
drive train will be damaged. Tighten jam nut
as specified.
1. Screw jam nut to bottom of pump
threads. Screw pump completely into
manifold. Unscrew pump from manifold
until pump outlet aligns with hose. Hand
tighten jam nut, then tap 1/8 to 1/4 turn
with hammer.
If pin is loose, parts could break off and
project through the air, resulting in serious
injury or property damage. Make sure pin is
properly installed.
NOTICE
33