6-9
Routine Maintenance
Operator Manual
122998-741
6.5.2 Replace Detergent
Squeeze Tube
1.
Set
POWER-OFF/STANDBY
switch to
STANDBY
. Lock
disconnect switch in OFF position and close building supply
valves.
2.
Open detergent pump compartment door.
NOTE: Replace squeeze tubes one by one to avoid messing
chemicals.
3.
Remove clamps and disconnect supply and injection hoses from
squeeze tube (see Figure 6-4).
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 two inches of
each end.
8.
Insert one end of squeeze tube into pump. Feed tube through
pump by manually rotating roller block.
IMPORTANT: Do not insert pickup tube into container without
verifying its for the proper application.
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: Always set building
electrical-supply disconnect
switch and console master
power switch to OFF before
performing any preventive
maintenance functions within
compartments. Electrical
shock can cause serious
injury.
WARNING – BURN HAZARD:
Before performing any service
on unit, wait until chamber
and piping cool to room tem-
perature.
WARNING – CHEMICAL BURN
HAZARD: Washer detergents
are caustic and can cause
adverse effects to exposed
tissues. Do not get in eyes, on
skin, or attempt to swallow.
Read and follow precautions
and instructions on detergent
label and in Material Safety
Data Sheet (MSDS) prior to
handling detergent, refilling
detergent container, or servic-
ing detergent injection pump
or lines. Wear appropriate
Personal Protective Equip-
ment (PPE) whenever han-
dling detergent or servicing
detergent injection pump and
lines.
Pump Cover
Squeeze Tube
Roller Block
Supply and
Injection Hoses
Figure 6-4. Detergent Supply Pump