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Repair
3A1211M 11
7. Install the spring (111◆). Lubr icate and install the
air valve cup (112◆). Align the small round magnet
with the air inlet.
8. Install the valve plate (105◆). Tighten the screws
(109†◆)toholditinplace.
Replace Pilot Valves
1. Stop the pump at the middle of its stroke. Follow
Pressure Relief Procedure, page 8.
2. Disconnect the air line to the motor.
3. See Remove the Shroud, page 8.
4. Use a 10 mm socket wrench to remove the old pilot
valves (19) from the top and bottom covers.
5. Lubricate and install the new pilot valves (19).
Torque to 95-105 in-lb (11-12 N•m).
FIG. 6. Air valve cup installation
Magnet
112◆
ti12752a