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Repair
8 312068M
3. Using supplied bolts in the cylinder seal kits, press
seal (16) into outlet flange (26). Ensure seal faces
cylinder. Assemble bushing (13) throat seal (29) and
gasket (17) into flange retainer (27) and fasten to
outlet flange.
4. Ensure plate is parallel with block. Carefully tighten
screws until plate is flush with block. Be sure to
press seal straight into bore.
5. Insert piston rod (28) through throat seal (29) on
front of block. Use grease to aid with insertion if
needed.
6. Place assembly in a vise, and tap piston rod (28)
through throat seal (29) and bearing.
7. Lubricate and assemble o-rings (1) to cylinder (12).
8. Tap cylinder (12) onto piston rod (28) as shown in
the following figure. Be careful to not score piston
seal. Continue tapping cylinder until it seats in bore
of outlet flange (26).
9. Lubricate and assemble o-rings (2) to crossover
tube (24). Insert crossover tube into outlet flange
(26). Softly tap crossover tube into bore until it
seats.
10. Carefully align cylinder (12) and crossover tube (24)
to bores in pump base (23). Tap pump base until the
cylinder is fully seated in bore.
11. Install four bolts (8) and washers (5). Torque to 45
ft-lb (60.8 N•m).
CAUTION
Keep rod straight to prevent damage to throat seal.
26
TI9782a
16
29
17
27
13
TI9784b
Seal Alignment
Pressed Seal
TI9783b
TI9787a
TI9788a
Use grease to aid in insertion of cylinder onto pis-
ton rod.
Cylinder Assembly Seat Cylinder in Bore
TI9819a
TI9820a
TI9789a
24
26
TI9790a
23
12
24