Graco DutyMax EH 230DI Operation Manual page 38

Hydraulic sprayer
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Repair
2c
Cleaning
Clean all parts and cavities thoroughly with a
compatible solvent. Dry with a rag or
compressed air. Replace any parts that are
worn or damage.
Reassembly
Lightly grease the inner cavities of the
1.
fluid housing (22). Install the small seal
(2e) so the lips face into the fluid housing
cavity. Install the seal retainer (2d) and
torque to 30--40 in-lb (3.4--4.5 N•m).
Ref.
Torque to 30-40 in-lb (3.4 - 4.5 N•m)
1
Lips of seal must face into housing
2
Grease inner cavity of housing
3
1
2d
2e
2
3
22
38
2d
2e
ti03974a
Action
ti03975a
Lightly grease the small end of the
2.
needle (2c) and then guide it into the
large end of the fluid housing (22).
Place the gasket (2b) on the valve seat
3.
(2a). Grease the threads of the valve
seat (2a). Screw the valve seat into the
fluid housing (22). Torque to 20--25 ft--lb
(27--34 N•m).
Ref.
Grease the threads
1
Torque to 20-25 ft-lb (27 - 35 N•m)
2
Install the spring guide (16) and seat it
4.
against the needle. Loosely thread both
setscrews (17) into the spring guide,
then alternately and evenly tighten the
setscrews to 10--15 in-lb (1.1--1.6 N•m).
Fill the setscrew cavities with petroleum
jelly.
2c
22
ti03676a
Action
2a
2b
22
ti03977a
3A4401A

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