Graco Pro 230ES Repair And Parts Manual page 18

Installation
Installation
If pump pin works loose, parts could break off due to
force of pumping action. Parts could project through air
and result in serious injury or property damage.
NOTICE
If the pump jam nut loosens during operation, the
threads of the drive housing will be damaged.
1. Extend pump piston rod full. Apply grease to top of
pump rod at (A) or inside connecting rod (43). Install
jam nut (29) on pump threads.
A
29
ti7392a
2. Install pump rod (A) into connecting rod (43).
18
43
ti19379a
3. Install pump pin (32). Slide retainer spring (31)
down into groove over pump pin.
31
4. Push pump (41) up until pump threads engage.
5. Screw in pump until threads are flush with top of
drive housing opening.
6. Align pump outlet to back.
32
ti6108b
ti6111a
ti19377a
3A2817A