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6-14
122993-622
Operator Manual
Routine Maintenance
(Automatic Detergent Injection System)
IMPORTANT:
It is recommended to disconnect and reconnect one detergent
pump at a time.
1.
Set
POWER-OFF/STANDBY
switch to
OFF/STANDBY
. 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 6-4).
4.
Remove screws from pump cover and lift off pump cover.
5.
Grasp one end of squeeze tube and pull tube out of pump. Discard 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.
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.
IMPORTANT:
Ensure supply and injection hoses are connected to proper
detergent pump (squeeze tube).
12. Re-energize washer utilities.
NOTE: Detergent supply pump automatically primes once energized.
Ensure proper pump is priming.
6.9 Replace
Detergent Squeeze
Tube
WARNING – CHEMICAL
BURN AND/OR EYE INJURY
HAZARD: Detergents are
caustic and can cause ad-
verse effects to exposed
tissues. Do not get in eyes,
on skin, or attempt to swal-
low. Read and follow the
precautions and instruc-
tions on the detergent label
and in the Material Safety
Data Sheet (MSDS) prior to
handling the detergent, re-
filling the detergent con-
tainer, or servicing the de-
tergent injection pump.
Wear appropriate Personal
Protective Equipment
(PPE) whenever handling
the detergent or servicing
the detergent injection
pump and lines.
CAUTION – POSSIBLE
EQUIPMENT DAMAGE:
When choosing a deter-
gent, select one with a low
chloride content. Deter-
gents with a high chloride
content can corrode stain-
less steel.
Figure 6-4. Detergent Supply Pump
Pump
Cover
Roller
Block
Squeeze
Tube
Supply and
Injection Hoses