Graco 406812E User Manual
GENUINE GRACO PARTS AND ACCESSORIES
Ref. Description Qty.
202 PISTON 1
203 DETENT PISTON ASSEMBLY 1
204 CAM, detent 1
205 PLATE, air valve 1
206 O-RING 2
208 U-CUP 2
209 SCREW
Kit 24B768: M3 (shorter - for metal pumps)
and #4 (longer - for plastic pumps)
Kit 24D699: M3
2
211 DETENT SPRING 1
212 BASE, cup 1
213 CUP 1
214 O-RING, cup 1
219 O-RING (Kit 24B768, for DataTrak models with
runaway protection)
1
108 GASKET, air valve (not shown) 1
--- GREASE, lithium-based (not shown) 1
Ref. Description Qty.
See reverse for assembly directions.
206
208
208
219
ti14026a
Apply lithium-based grease.
1
1
1
U-cup lips must face piston.
2
2
206
DataTrak Models
with Runaway
Protection
1
air inlet side
1
All other models
202
1
206
1
3
1
204
203
211
212
205
209
1 2
housing
214
213
Apply lithium-based grease to
contact surface.
3
3
1
Air Valve Repair Kits
Husky® 1050 and Husky® 15120 Diaphragm Pumps
Kit 24B768
Kit 24D699
Important Safety Instructions
Read all warnings and instructions in the
®
Husky
Diaphragm Pump Repair/Parts manual. Save
all instructions.
1050 or Husky® 15120 Air-Operated
406812E
EN
Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441
Original instructions. This manual contains English. MM 406812
Copyright 2009, Graco Inc. is registered to ISO 9001. Revision E - September 2014
Assembly
NOTE: Apply lithium-based grease whenever instructed
to grease.
1. Use all parts in the repair kits, as applicable to your
pump. Clean other parts and inspect for damage.
Replace as needed.
2. Grease the detent cam (204) and install into
housing.
3. Grease the u-cups (208) and install on the piston
with lips facing toward the center of the piston.
4. Grease both ends of the piston (202) and install it in
the housing, with the flat side toward the cup (213).
Be careful not to tear u-cups (208) when sliding piston into housing.
5. Standard or Pulse Count models (no runaway
protection solenoid): Grease new o-rings (206)
and install on the end caps. Install the end caps into
the housing.
DataTrak models (with runaway protection solenoid): Invert the air valve, with the air inlet facing
away from you. Grease and install new o-ring (206)
on right-side end cap. Grease and install new o-ring
(206) and the solenoid release button and o-ring
(219) on left-side end cap. Install the end caps into
the housing.
7. Grease and install the detent assembly (203) into
the piston. Install the o-ring (214) on the cup (213).
Apply a light film of grease to the outside surface of
the o-ring and the inside mating surface of the base
(212). Install the cup (213) on the base (212). Install
the spring (211) onto protrusion on the cup. Install
the cup assembly. Align the small round magnet in
the base with the air inlet.
8. Grease the cup side and install the valve plate
(205). Align the small hole in the plate with the air
inlet. Tighten the screws (209) to hold it in place.
6. Install a retaining ring on each end to hold end caps
in place.
2 406812E
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