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Repair
Repair
Preventive Maintenance
Schedule
The operating conditions of your particular system
determine how often maintenance is required. Establish
a preventive maintenance schedule by recording when
and what kind of maintenance is needed, and then
determine a regular schedule for checking your system.
Tools Required
•
Flat blade screwdriver
•
Phillips screwdriver
•
3/4 in. socket wrench
•
9/16 in. socket wrench
•
3/8 in. socket wrench
•
Torque wrench
•
Grease
•
Thread adhesive
Pressure Relief Procedure
Trapped air can cause the pump to cycle unexpectedly,
which could result in serious injury from skin injection
or moving parts.
Do not lift or move motor while pressurized.
1. Engage the trigger lock.
2. Close the bleed-type master air valve.
3. Disengage the trigger lock.
16
4. Hold a metal part of the gun firmly to a grounded
metal pail. Trigger the gun to relieve pressure.
5. Engage the trigger lock.
6. Open all fluid drain valves in the system, having a
waste container ready to catch drainage. Leave
drain valve(s) open until you are ready to spray
again.
7. If you suspect the spray tip or hose is clogged or
that pressure has not been fully relieved after follow-
ing the steps above, VERY SLOWLY loosen tip
guard retaining nut or hose end coupling to relieve
pressure gradually, then loosen completely. Clear
hose or tip obstruction.
Air Valve Repair
Remove the Air Valve
1. Stop the pump at the middle of its stroke. Relieve
the pressure, page 16.
2. Disconnect the air line to the motor.
3. See F
. 8. Pry off the top cover (30).
IG
30
F
. 8. Remove the Top Cover
IG
TI8218b
311238G
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