Service
58 312780K
5. Unscrew the integrator cap (511) and housing
(510). Inspect the mixer (508) and mix cap (509).
Replace the o-rings (504*). F
IG. 35.
6. Unscrew the integrator manifold plug (507).
Remove the integrator base (503). Replace both
o-rings (502*, 504*).
7. Unscrew the A and B dose valves (521) from the
valve adapters (517). Replace the o-rings (518*).
NOTE: To repair the dose valves (521), see manual
312782.
8. Remove the screws (520) and adapters (517).
Inspect the seat (516). Replace the o-rings (515*).
9. Remove the screws (513) and the A and B valve
mounts (512). Replace the o-rings (505*).
10. Remove the seal screw (506) from the integrator
housing (501). Replace the o-ring (505*).
11. Remove the check valves (519*) from each valve
adapter (517) and from the elbow (528) on the A
side of the manifold. Replace all three check valves.
The arrow on the check valves must face toward the
manifold.
12. Remove the pipe plugs (522*) from each valve
adapter (517). Replace the plugs.
13. Reassemble in reverse order, following all assembly
notes in F
IG. 35.
NOTICE
Keep A side and B side parts separate when disas-
sembling, to prevent contamination during reassem-
bly.
FIG. 35: Manifold Repair
1
Apply pipe sealant to tapered threads.
Lubricate all o-rings.
Apply thread sealant.
2
3
1
2
2
2
2
2
2
3
501
*502
503
504*
506
505*
507
512
513
515*
516
517
*518
519*
520
522*
521
508
510
528
529
TI12513a
515*
505*
509
511
504*
*504
514
2
2
1
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