Graco NXT 25A641, Инструкции/Запчасти и ремонт

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Repair
3A3442B 7
Reassemble the Air Valve
1. See F
IG
. 2. Lubricate detent cam (304) and install
into housing.
2. See F
IG
. 3. Lubricate the u-cups (308) and install on
the piston (302) with lips facing toward the center of
the piston.
3. See F
IG
. 2. Lubricate both ends of the piston (302)
and install it in the housing.
4. Lubricate and install the detent assembly (303) into
the piston.
5. Lubricate new o-rings (306) and install on the end
caps (307). Install the end caps into the housing.
6. Install a snap ring (310) on each end to hold end
caps in place.
7. Install the spring (311). Lubricate and install the air
valve cup (312), see F
IG
. 4. Align the small round
magnet with the air inlet.
8. Install the valve plate (305). Tighten the screws
(309) to hold it in place.
Replace Pilot Valves
1. Stop the pump and relieve pressure.
2. Disconnect the air line to the motor.
3. See F
IG
. 5 on page 8. Use a 10 mm wrench to
remove the old pilot valves (213) from the top and
bottom covers.
4. Lubricate and install the new pilot valves (213).
Torque to 95-105 in-lb (11-12 N•m).
F
IG
. 3. Air Valve U-cup Installation
Lips face down
Lips face up
308
308
302
ti12754a
F
IG
. 4. Air Valve Cup Installation
312
ti16283a
Magnet