5-8. REPAIR LOWER HOUSING ASSEMBLY (Cont'd).
Remove four bolts (1).
Remove upper housing assembly (2).
Remove gasket (3) and screen (4) from lower housing assembly.
Remove chamber disc assembly (5) by sticking finger in outlet pipe of lower housing and pushing up.
(5) Remove retaining spring (6).
Remove port gasket (7) and discard.
Pull the two halves (8 and 9) of disc assembly apart.
Remove disc (10) and thrust insert (11).
Remove thrust roller (12).
Clean all components as needed by flushing with clear water. Pay particular attention to debris or
sediment which may collect in screen (4)
Check screen (4) for clogging or damage to screen. If damaged, replace.
Inspect disc (10) for wear around edges or around the center ball If the spindle is scorn to half its normal
diameter or is damaged, replace
Disc halves must be replaced as a set
Inspect chamber halves (8 and 9) for grooves or pitting. If such damage is found, replace.
Inspect upper gasket (3) for tears and deformation It should also be pliable Replace if torn, deformed, or