Tennant ATLV 4300 Service Manual page 127

VACUUM FAN WILL NOT TURN ON
CIRCUIT
FLOW OK?
Yes
RV2 RELIEF
CARTRIDGE OK?
Yes
SV1 STEM
MAGNETIZED?
Yes
SV1 VALVE
CARTRIDGE
SHIFTING OK?
Yes
MOTOR INLET
FLOW
OK?
No
PLUMBING OK?
Yes
PC1 CHECK VALVE
SHIFTING
OK?
ATLV 4300 330495 (10- -98)
REPAIR / REPLACE
No
PUMP
REPAIR / REPLACE
No
RV2 CARTRIDGE
REPAIR
ELECTRICAL
No
SYSTEM
REPAIR / REPLACE
SV1 VALVE
No
CARTRIDGE
REPAIR / REPLACE
Yes MOTOR
REPAIR / REPLACE
PLUMBING
No
REPAIR / REPLACE
PC1 CHECK VALVE
No
CARTRIDGE
HYDRAULICS
5-29