Graco ti10392a, L200CS, ti10396a, ti10720a, 312375J, L500CM, L100CM Ti10563a

7.Hold flats of the priming piston rod (24) with an adjustable wrench, and use a second wrench to unscrew priming piston seat (27) from rod. Slide priming piston (26) off rod. Inspect surfaces of guide (25) and piston (26) for scoring, wear, or other dam- age.

The guide (25) is applicable only to 100cc and 500cc displacement pumps.

24

25

26

27

ti10563a

FIG. 6

Steps 8-13 apply to 60cc, 100cc, 200cc, and 250cc displacement pumps only.

8.Use an adjustable wrench on hex of intake cylinder (22) to unscrew it from intake valve housing (19).

19

22

ti10562a

FIG. 7

Repair

9.Use an adjustable wrench to unscrew intake valve housing (19) from cylinder (17) and outlet housing

(2). Pull intake valve housing off cylinder. Intake check valve assembly (R) should slide down priming piston rod (24) as you remove housing; if it does not slide easily, firmly tap on top of housing (19) with a rubber mallet to loosen.

17

19

R

24

r_000000_312375_1

FIG. 8

10.Use a 400 mm adjustable wrench on flats of dis- placement pump cylinder (17) and unscrew cylinder from outlet housing (2). Remove o-rings (18). Inspect inside surface of cylinder for wear, scoring or other damage by holding it up to light at an angle or running a finger over the surface.

2

17

ti10601a

18

ti10565a

FIG. 9

312375J 9