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8 3A1211M
Repair
Preventive Maintenance
Schedule
The operating conditions of your 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.
Pressure Relief Procedure
1. Shut off the air supply to the pump.
2. Close the bleed-type master valve (required in sys-
tem).
3. Open the fluid ball valve and/or dispensing valve to
relieve fluid pressure.
Remove the Shroud
1. Stop the pump at the middle of its stroke. Follow
Pressure Relief Procedure, page 8.
2. Disconnect air lines.
3. Remove exhaust fitting (42) and air inlet fitting (43)
with o-ring (44).
4. Remove the lift ring (41), hand screw (40), and
o-ring (39).
5. Lift the top shroud (46) straight up off the motor.
6. Remove four screws (48). Slide the bottom shroud
(47) down.
• Trapped air can cause the pump to cycle unexpect-
edly, which could result in serious injury from skin
injection or moving parts.
• Relieve pressure when you stop pumping and
before cleaning, checking, or servicing equipment.
• Do not lift or move motor while pressurized.
FIG. 2. Shroud removal
ti16226a
43
42
41
40
39
46
47
48
48
44