Hitachi 308996J Manuel d'utilisateur télécharger pdf (Page 17)

308996 17

Service

Reassembly

1. Fig. 6. Clean threads of displacement rod (1) and

piston housing (16). Replace u–cup seals (14) and

spacers (15). Reassemble piston nut (13) and

lockwasher (12).

2. Place flats of piston seat housing (16) in vise.

Tighten displacement rod and piston nut from 20 to

27 NSm (15 to 20 ft–lb).

3. Install seal (8) on cylinder (9). Lubricate seal and

threads.

4. Fig. 5. Install throat bearing (5) and u–cup seal (4)

into wet cup (2). Install seal (8) onto wet cup.

Lubricate seals and threads.

5. Install wet cup into outlet housing (7), hand tight.

6. Fig. 6. Lubricate u–cup seals (14) and insert

piston/displacement rod into cylinder (9).

7. Install cylinder, first by sliding displacement rod (1)

up through outlet housing (7) and wet cup (2), then

engage cylinder threads into outlet housing and

hand tighten.

8. Replace intake ball (17) and ball stop (3) into

intake valve (19). Install seal (8) on intake valve.

Lubricate seal and threads.

9. Install intake valve into cylinder and hand tighten.

10. Place outlet housing into vise. Using an adjustable

wrench, tighten the wet cup from 41 to 54 NSm (30

to 40 ft–lb).

11. Tighten the cylinder from 41 to 54 NSm (30 to 40

ft–lb) and the intake valve from 41 to 54 NSm (30

to 40 ft–lb).

12. Reconnect the displacement pump to the air motor

as detailed in Reconnecting the Displacement

Pump on page 12.

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 25 26

Pas de commentaire

Hitachi 308996J Manuel d'utilisateur Page 17