Graco 16P957, 16T311 Remove and Reinstall Wiper, Reassemble 20 Liter Wiper Assembly

Maintenance Procedures

Use platen with straight sided pail

1.Ensure large diameter of spacer (EG) is facing down. Work spacer (EG) up over the platen by hand completely above the flange of the platen. See FIG. 12.

2.Working from the top, use screwdriver to position spacer (EG) between flange and wiper (EB). See FIG. 13.

c.See Reassemble 20 Liter Wiper Assembly to change wiper styles or a complete wiper assem- bly.

2.Remove eight nuts (409) on wiper assembly.

3.Separate top plate (407), spacer (402), wiper (403), and bottom plate (405).

4.Clean, inspect, and replace worn components.

Reassemble 20 Liter Wiper Assembly

1.	Place bottom plate (405) on flat surface. Place wiper
	(403), spacer (402), and top plate (407) on bottom
EG	plate (405).
2.	Install eight nuts (409) on outer ring. Torque to
	40-50 in-lb (4.5-5.6 N•m).
3.	Replace o-ring (406), or install new o-ring under
	platen casting (401). Use lubricant to hold in place.
4.	Install platen casting (401). Tighten with four
EB	nuts (409). Torque to 40-50 in-lb (4.5-5.6 N•m).
ti20251b

FIG. 12: Sliding spacer

EG

EB ti20252b

FIG. 13: Installing Spacer

Remove and Reinstall Wiper

1.Remove wiper assembly; see FIG. 14:

a.Remove two clips (420) with needle nose pliers and remove platen cover (419).

b.Remove four nuts (409) that hold wiper assem- bly to platen casting (407) and remove wiper assembly.

14 3A2798D