6-13
Routine Maintenance Operator Manual 920509-645
6.5.4 Replace Detergent
Squeeze Tube
Replace detergent squeeze tube as follows:
1. Lock disconnect switch in OFF position and close building
supply valves.
2. Locate detergent supply pump.
3. Remove clamps and disconnect supply and injection hoses from
squeeze tube (see Figure 6-5).
4. Remove screws from pump cover and lift off pump cover.
5. Grasp one end of squeeze tube and pull tube out of pump. Dis-
card tube.
6. Clean all pump surfaces.
7. Lubricate new squeeze tube (P117950-583). Liberally apply
lubricant (P117950-599) over tube surface to within 2" [51 mm] of
each end.
8. Insert one end of squeeze tube into pump. Feed tube through
pump by manually rotating roller block.
9. Spread lubricant over rollers in roller block.
10. Replace pump cover and fasten with screws previously
removed.
11. Connect supply and injection hoses to ends of squeeze tube
and attach clamps.
12. Re-energize washer utilities.
WARNING – ELECTRIC SHOCK
HAZARD:
Disconnect all utili-
ties to washer before servic-
ing. Do not service washer
unless all utilities have been
properly locked out. Always
follow local occupational
health and safety regulations,
as well as electric and plumb-
ing codes.
WARNING – BURN HAZARD
:
• Allow unit to cool down
before performing any ser-
vice on mechanical compo-
nents and on piping.
Components and piping
become very hot during
operation.
• Pipes may be extremely
hot.
Pump Cover
Squeeze Tube
Roller Block
Supply and
Injection Hoses
Figure 6-5. Detergent Supply Pump
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