Graco Orion 234084, Instructions-Parts List Manual

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Repair
22 309512
Reassembly
1. Insert the U-cup (81**), guide ring (82**), flat seal
(84**), and packing retainer (85) into the packing
housing (83). See F
IG
. 13.
2. Insert the sealing ring (93**) into the piston (95).
Replace the piston (95) if it shows signs of wear.
Check that ring (78) is in place. See F
IG
. 12.
3. Verify correct assembly of suction valve parts (97*
✦
,
77
✦
, and
72
✦
)
. See F
IG
. 12.
4. Assemble the guide ring (76**), U-cup (92**), and
sealing ring (94) on the piston valve (91). See F
IG
.
12.
5. Install the piston valve (91) onto the piston (95).
Retighten the piston valve (91) firmly. See F
IG
. 12.
6. Install the piston assembly into the packing housing
(83). Install seals (80*, 74, and 73*) into valve hous-
ing (83). Replace seals 73* and 80* as necessary.
See F
IG
. 11.
7. Install the cylinder (79). Replace the cylinder if it
shows signs of wear.
8. Install seals (90*, 74, and 73*) into the cylinder (79).
Replace seals (90* and 73*) as necessary.
9. Verify correct assembly of pressure valve parts
(75*
✦
,
77
✦
, and
72
✦
)
.
10. Install the valve housing (71).
11. Install screws (96) and torque to 24.4-25.8 N•m
(216-228 in-lb).
12. Connect the Displacement pump to the Air Motor.
F
IG
. 13
The cylinder (79) and valve housing (71) can be
oriented in any way relative to each other and to
the packing housing (83) to provide any configura-
tion of inlet and outlet desired.
80*
73*
84**
85
81**
82**
74
83