Troubleshooting - PREVOST X3-45 COMMUTER Maintenance Manual

FIGURE 11: WIPER ARMS POSITIONING
3.4

TROUBLESHOOTING

SYMPTOM
FAIL TO SPRAY WASHER
FLUID
INADEQUATE SPRAYING
SLOW OPERATION
DOB 2490-2789 | X3-45 Commuter PA1605 Maintenance Manual (Final Version – Rev.2 April 2016)
PROBABLE CAUSE
A. Reservoir empty.
B. If below 32F (0C), improper
washer fluid frozen.
C. Contamination in tubing or
nozzles.
D. Tubing damage.
E. Tubing bent (kinked) or off one
or more connections.
A. Tubing failure.
A. Improper solution.
B. Jet stream improperly directed.
C. Check if valve is stuck in the
open position.
SECTION 23: ACCESSORIES
REMEDY
A. Add proper fluid
.
B. Store coach or parts in heated
area, then purge system with low-
temperature solution.
C. Remove with compressed air, if
severely clogged, replace items.
D. Replace section.
E. Realign tubing and/or refit. Trim
end to ensure proper fit or replace.
A. Replace tubing.
A. Replace with proper type solution.
B. Reposition nozzles.
C. Remove, clean or replace.
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