Graco SaniForce 1040 Repair Parts List Manual page 9

Repair Repair Repair
Pressure Pressure Pressure Relief Relief Relief Procedure
Follow the Pressure Relief Procedure
whenever you see this symbol.
Trapped air can cause the pump to cycle
unexpectedly, which could result in serious
injury from splashing. Follow the Pressure
Procedure when you stop pumping and before
Procedure Procedure
cleaning, checking, or servicing equipment.
1. Shut off the air to the pump.
2. Open any available outbound fluid valve to
relieve fluid pressure from the pump.
3. If fluid is still in the outbound fluid lines, isolate
this fluid as follows:
a. Close the outbound fluid valves.
b. Slowly remove the fluid connections from the
pump, and have a container ready to catch
any fluid that runs out.
Air Air Air Valve Valve Valve Repair Repair Repair
Tools Required
• Torque wrench
• Torx (T20) screwdriver or 7 mm (9/32 in.) socket
wrench
• Needle-nose pliers
• O-ring pick
• Lithium base grease
Air valve repair kit 255122 is available. Use all parts
in the kit for best results.
Disassemble Air Air Valve
Disassemble Disassemble Air
3A6780C
Tel: 866-777-6060
Fax: 866-777-6383
Procedure Procedure
Pressure Relief Pressure Relief Relief
Valve
Valve
Springer Pumps, LLC
1. Follow the Pressure Relief Procedure, page 9
2. With a Torx (T20) screwdriver or 7 mm (9/32 in.)
socket wrench, remove the six screws (107), air
valve cover (109), and gasket (118).
3. Move the valve carriage (105) to the center
position and pull it out of the cavity. Using a
needle-nose pliers, pull the pilot block (116)
straight up and out of the cavity.
4. Pull the two actuator pistons (114). Remove the
u-cups (106) from the pistons. Pull the pilot pins
(112). Remove the o-rings (108) from the pilot
pins.
Website: www.springerpumps.com
Repair
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Int'l: +001 267 404 2910