Operator Manual

MAINTENANCE
102
T17 9020160 (3−2019)
FUSES
Fuses are one-time protection devices designed
to stop the flow of current in the event of a circuit
overload. Never substitute higher value fuses than
specified.
The fuses are located in the control box behind
the circuit breaker panel.
Fuse Rating Circuit Protected
FU-1 150 A Propelling
FU-2 100 A Scrub module power
FU-3 2.0 A Telemetry module
harness
Inline
fuse
100 A High pressure washer
(Option)
Inline
fuse
40 A Live wand (Option)
RELAYS
Relays are electrical switches that open and close
under the control of another electrical circuit.
Relays are able to control an output circuit of
higher power than the input circuit. The relays are
located in the control box behind the circuit
breaker panel.
Refer to the table below for the relays and circuits
controlled.
Relay Rating Circuit Controlled
M1 36 VDC, 200 A Main contactor
M2 36 VDC, 5 A Backup alarm / light
(Option)
M3 36 VDC, 100 A Auxiliary line
contactor
ELECTRIC MOTORS
Inspect the carbon brushes on the vacuum fan
motor after every 500 hours of operation. Inspect
the carbon brushes on the sweeping side brush
motors and all Pre−Sweep motors after the first
1000 hours of operation and every 100 hours after
the initial check. Refer to the table below for
carbon brush inspection intervals.
Carbon Brush Inspection Hours
Side brush motors − Sweeping
(Option)
1000*
Pre−Sweep motors (Option) 1000*
Vacuum motor 500
High pressure washer motor (Option) 1000**
*Inspect carbon brushes every 100 hours after the
initial 1000 hour change.
**Inspect after 1000 high pressure washer hours,
not machine hours.
SOLUTION SUPPLY FILTER
Check the solution supply filter screen after every
50 hours of operation and clean if necessary.
Lower the scrub head for easier access.
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, set parking brake, and remove key.