Nilfisk-Advance Advance Retriever 2060 Service Manual page 25

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TROUBLESHOOTING GUIDE (CONTINUED)
SYMPTOM FOUR
SYMPTOM FIVE
Main broom does
not turn off.
Raise main broom and
turn key switch to on
position. Check for
12vdc at orn/grn and
blk connector on L3
solenoid valve.
Yes
Check adjustment and
operation of S13 main
broom switch. Adjust or
replace as needed.
Side broom does
not turn off.
Access solenoid valve L4
(inside hopper). Raise
side broom and turn key
switch to on position.
Check for 12vdc at yel/brn
and blk connector.
Yes
Check adjustment and
operation of S14 side
broom switch. Adjust or
replace as needed.
SWEEPING SYSTEM
Check for proper opera-
tion of L3 solenoid valve
No (see hydraulic section).
Repair or replace as
needed.
Check for proper opera-
tion of L4 solenoid valve
No (see hydraulic section).
Repair or replace as
needed.
FORM NO. 56043051 / Retriever ™ 2060 - 23