User's Manual

Repair
SP and FK Models PO Models
PT Models
Rounded side faces diaphragm
Apply lithium based grease.
Apply primer and medium-strength (blue) thread
locker. Torque to 100-105 ft-lb (136–142 N•m).
AIR SIDE markings on diaphragm must face
center housing.
If screw comes loose or is replaced, apply
permanent (red) thread locker to diaphragm side
threads. Apply primer and medium-strength (blue)
thread locker to shaft side threads.
Lips must face out of housing.
Cartr
idges (109) must be installed before pilot
valve
s (111).
Torq
ue to 20-25 in.-lb (2-3 N•m).
3A2714B
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