Tennant ATLV 4300 Service Manual page 156

Model 70160
Fault - Logic Troubleshooting
Symptom: Neutral Difficult or Impossible to Find
Inspect
External Control
Linkage
1
Defective
Repair
or
Replace
Symptom: System Operating Hot
Check
Oil Level in
Reservoir
4
Below Level
Fill to
Proper
Level
OK
Replace
Pump &
Motor
Inspect
Servo Control
OK
(If used)
2
Defective
Repair
or
Replace
Inspect
OK
Heat
Exchanger
5
Defective
Repair
or
Replace
Inspect
Charge
Pump 13
Defective
Repair
or
Replace
Inspect
OK
Motor
12
Defective
Repair
or
Replace
Inspect Heat
Exchanger
OK
Bypass Valve
6
(If used)
Defective
Repair
or
Replace
Inspect
OK
Inlet Screen
or Filter
Clogged
Replace
Inspect Pump
OK
Bypass Valve
(If used)
Defective
Repair
or
Replace
14
Check
OK
Charge
Pressure
10
Low
Inspect
OK
Charge Relief
Valve
8
Defective
Repair
or
Replace
Check
OK
System
Pressure
7
High
Reduce
System
Load
OK
11
9