Sweep System, Side Broom
241
Service Manual – Advance 7765 / Nilfisk CR1500
Troubleshooting
General Troubleshooting
Problem
Cause
Correction
Side Broom motor
not running.
Circuit breaker CB6 is
tripped.
Reset the circuit breaker.
No voltage to the Side
Broom Solenoid (5).
• Check for continuity through the hopper and
hopper door “whisker” switches when the hopper
is down and the hopper door is closed. Repair the
wiring or replace the switch(es) as necessary.
• Check the Side Broom Switch function and repair/
replace as necessary.
• Check the wiring from the Side Broom Switch to
the Side Broom Solenoid (5). There should be 0
volts to the solenoid when the Side Broom Switch
is off, and 12 VDC to the solenoid when the Side
Broom Switch is on.
Side Broom Solenoid (5) is
not operating.
1. Check the coil resistance of the Side Broom
Solenoid (5). If not 10.1 ohms ±10%, replace the
coil.
2. If the coil resistance is within spec, check for
binding or a mechanical problem. Repair or
replace the valve as necessary.
Specifications
Component
Specifications
Side Broom Solenoid (5)
Valve
Nominal Coil Resistance – 10.1 ohms
Side Broom Motor
Displacement – 1.93 CIR
Содержание 56514925
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