Graco 312375J, L200CS, ti10396a, ti10392a, ti10720a, L500CM, L100CM important safety instructions 3023

19.Pull seal (18) and seat (20) out the top of the intake housing (22). If seat is difficult to remove, turn hous- ing upside down and drive seat out using a hammer and brass rod.

Repair

23.Place flats of displacement rod (1) in a vise. Unscrew piston (23) from displacement rod; priming piston rod (24) will come with it. Slide piston guide (28) and seat (30) off piston (23).

18

20

22

ti10566a

FIG. 13

20.Examine mating surfaces of seat (20) and intake valve body (32) for damage.

21.To access throat packings and glands, use an adjustable wrench to remove the throat cartridge

(3).

22.Remove cartridge o-ring (4). Then remove throat packings (P) from throat cartridge (3). Some models include a fluid outlet nipple (43) and o-ring (44). Do not remove these parts from housing unless they need replacement.

	P
	(MaxLife)	P
3		(Severe Duty)

4

1

2

ti11118a

FIG. 14

24

3023

28

1

ti10569a

FIG. 15

24.Inspect outer surfaces of displacement rod (1) and priming piston rod (24) for wear, scoring or other damage by holding them up to light at an angle or running a finger over the surface.

25.It is not necessary to remove priming piston rod (24) from piston (23) unless your inspection reveals scor- ing, wear, or other damage to either part. To disas- semble, place piston flats in a vise and unscrew the rod.

26.Place piston seat (30) and guide (28) in vise. Slide a brass rod through openings in piston guide and unscrew it from seat. Remove piston seal (31) and guide bearing (29).

Guide bearing (29) is press-fit into the piston guide (28), and may require cutting to ease removal.

29

28

30

ti10570a

FIG. 16:

312375J 11