Ti10576a

Repair

23.Partially thread wet cup (9) into cartridge (3) to hold packings in place during installation. Install new car- tridge o-ring (4) on cartridge (3). Apply thread lubri- cant to cartridge (3) and carefully slide down over displacement rod and into outlet housing (2). Torque cartridge to the following torque. Be careful not to damage throat packings on leading edge of rod.

Displacement
Pump	Torque

60cc and 100cc	90-130 ft-lbs (122-176 N•m)

200cc and 250cc	130-190 ft-lbs (176-257 N•m)

500cc	150-261 ft-lbs (203-355 N•m)

9
9		P


3	(MaxLife)		P



			(Severe Duty)
			(Severe Duty)
4
4
2			ti10576a
2

FIG. 29

24.Use packing nut wrench (supplied) to tighten wet cup (9) to specified torque; refer to the following table.

Displacement
Pump	Torque

60cc and 100cc	28-44 ft-lbs (38-59 N•m)

200cc and 250cc	95-115 ft-lbs (128-155 N•m)

500cc	95-115 ft-lbs (128-155 N•m)

25.Lubricate the threads of the bleeder valve plug (40). The plug has two sets of threads. Be sure to screw the plug completely into the valve body (39). Torque the plug to 9-11 ft-lbs (12-15 N•m).

Some models include an outlet nipple (43) and o-ring (44). It is not ordinarily necessary to remove these parts. However, if they were replaced because of damage, lubricate o-ring and place it on nipple. Screw nipple into outlet housing (2). Torque to 44-62 ft-lbs (60-84 N•m).

ti10585a

FIG. 30

Steps 26-27 apply only to displacement pumps with enclosed wet cups.

26.Install new o-ring (11), wet cup wiper (15), seal (16), and snap ring (61) into wet cup cover (10). See FIG. 31.

The snap ring (61) is applicable only to 60cc and 100cc displacement pumps.

27.Carefully slide wet cup cover (10) over displacement rod. Line up holes in cover and wet cup. Insert screws (14). Use a hex head screwdriver to tighten screws. See FIG. 31.

Use caution when sliding wet cup cover (10) over displacement rod (1) to avoid damaging seals (15, 16).

1415

1, 9

ti10561a

FIG. 31

312375J

Displacement

Displacement