Replace Complete High/Low Valve - Graco Husky 1050HP Repair Parts

Repair
Replace Complete Complete High/Low
Replace Replace Complete
1. Stop the pump. Follow the
Pressure Relief Procedure, page
2. Disconnect the main air line. Release the quick
disconnect fittings to remove the air manifold
hoses (108).
3. To repair the High/Low valve, go to Disassemble
the High/Low the the High/Low Valve High/Low Valve, step 2, in the next section. Valve
To install a replacement High/Low valve, continue
with step 4.
4. Remove four screws (217). Remove the air valve
(212). Remove the six o-rings (208, 209, and
210).
5. Remove four screws (217). Remove the
High/Low valve (211) and gasket (213).
6. Align the new gasket (213) on the primary center
section, then attach the new High/Low valve
(211). Apply thread lubricant and torque screws
(217) to 80 in-lb (9 N•m).
7. Install the new o-rings (208, 209, and 210) on
the High/Low manifold, then attach the air valve.
Apply thread lubricant and torque screws (217)
to 80 in-lb (9 N•m).
8. Reconnect the main air line and the air manifold
hoses (108).
Apply thread lubricant to threads before
assembly.
Torque screws to 80 in-lb (9 N•m).
14
High/Low Valve Valve
High/Low Valve
10.
Disassemble
Disassemble
334390E