Graco Husky 1050HP Repair Parts page 22

Repair
6. Overmolded Overmolded Diaphragms Overmolded Diaphragms Diaphragms
a. If the diaphragm setscrew comes loose or
is replaced, apply permanent (red) thread
sealant to the diaphragm-side threads.
Screw into the diaphragm until tight.
b. Assemble the air side plate onto the
diaphragm. The rounded side of the plate
must face the diaphragm.
Rounded side faces diaphragm.
1
Apply lithium based grease.
If screw comes loose or is replaced,
apply permanent (red) thread locker
to the diaphragm side threads. Apply
primer and medium-strength (blue)
thread locker to the shaft side threads.
c. Apply medium-strength (blue) thread locker
to the threads of the diaphragm assembly.
Screw the assembly into the shaft of the
secondary air module as tight as possible by
hand.
d. Repeat for the other diaphragm assembly
and install it on the primary air module.
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334390E