Manitowoc Grove CD3340B User Manual

TRANSMISSION AND TORQUE CONVERTER CD3340B/YB4411
7-12
Published 04/07/2015 Control # 569-00
Low Pump Flow
1. Low oil level.
2. Blocked suction strainer.
3. Worn pump.
1. Add oil to transmission.
2. Clean suction strainer.
3. Repair or replace the pump.
High Converter Out
Pressure
1. Oil cooler/lines blockage. 1. Clean cooler, remove blockage.
Low Lubrication
Pressure
1. Low mainline pressure.
2. Oil cooler/lines blockage.
3. Ruptured lubrication line.
4. Converter internal leakage.
5. Converter relief valve faulty.
6. Leakage at pump to case
(indicated by low cooler flow.
7. Restriction in converter feed.
1. See problem “Low Mainline Pressure.
2. Clean cooler, remove blockage.”
3. Repair line.
4. Check and replace converter.
5. Check, repair or replace the relief valve.
6. Check, replace or repair the pump.
7. See item 10 in problem “OverHeating.”
Low Clutch Pressure
and/or Clutch Slipping
1. Low mainline pressure.
2. Worn pump.
3. Blocked restrictor orifice in
solenoid valve block.
4. Clutch seals worn.
5. Clutch piston rings worn.
6. Mechanical failure.
1. See problem “Low Mainline Pressure.”
2. Check flow and repair or replace if necessary.
3. Remove solenoid(s) and clear restriction.
4. Confirm with clutch leakage test. Replace seals if worn.
5. Confirm with clutch leakage test. Replace piston rings if
worn.
6. Strip and rebuild clutch. Replace parts as required.
Problem Possible Cause Remedy
Reference Only

Manitowoc Grove CD3340B Specifications

General

Brand	Manitowoc
Model	Grove CD3340B
Category	Construction Equipment
Language	English