Graco G-Chem Series Instructions And Parts page 20

Repair
7. Carefully remove the packing stack (203-206) and
the spacer (202) from the fluid cylinder (201).
8. Replace the packing stack (203-206). Inspect the
spacer (202) and replace, if necessary. Lubricate
prior to reassembly.
9. Replace the packing nut (207) assembly into fluid
cylinder. Tighten until hand tight and the flange of
the packing nut (207) is below the surface of the
fluid cylinder (201).
10. Slide the fluid cylinder (201) onto the plunger (209)
and use the screws (3) to attach the fluid cylinder
(201) to the drive housing (101).
NOTE: Install the plunger (209) first if it was
removed, and secure it with the dowel pin (120) and
split ring (121). Refer to Stroke Adjustment with
Pin Settings, on page 14, for specific placement of
the pin (120) and ring (121).
11. Replace the guard (127) and tighten the fasteners
(128).
20 3A6349A