Air Cylinder Kit Installation - Graco PR70 Repair And Parts Manual

Air Cylinder Kit Installation

406
412
407
402
1
414
See Kits on page 77 for kit numbers.
Prepare Machine for Kit Installation
1. Relieve pressure. See Pressure Relief Procedure,
page 14.
2. Shut down the machine. See Shutdown, page 14.
3. Disconnect the pressurized air input hose.
4. Remove shroud screws (2202, 2409). See F
on page 44 and F
IG
5. Remove the shroud (117, 214). See F
page 42 and F . 21 on page 48.
IG
312760Y
417
412
411
4
403
4
419
415
422
409
412
410
1
Torque to 41 in-lb (4.6 N•m).
2
Torque to 350 in-lb (39.5 N•m).
3
Torque to 100 ft-lb (135 N•m).
4
Coat all sliding surfaces with lubricant, part 115982.
5
Apply sealant tape to npt fittings.
. 21 on page 48.
. 16 on
IG
420
405
401
413
404
408
2
414
415
Disassemble the Air Cylinder
6. Remove the incoming power bracket (110) from the
machine by removing the two attachment
screws (109). See F
7. Remove the two solenoid valves (407, 408) from the
cylinder blind end block (418) by removing the three
socket head cap screws (402).
8. Use an open-end wrench to remove all hex
nuts (103, 100b, 100d) connecting the piston rod to
the drive block. See F
. 17
IG
9. Remove the four screws (108) that attach the cylin-
der rod end block (417) to the frame. See F
page 41. Access the screws through the four holes
in the blind end block (418) using a long allen
wrench.
412
416
411
4
418
ti12490a
. 15 on page 41.
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. 15 on page 41.
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Repair
. 15 on
IG
31