Case CX31B Mini Excavator Service Manual

Name: Case CX31B Mini Excavator Service Manual
SKU: 952665
Availability: InStock

$34.00

Manuals Included: Comprehensive service manuals spanning 931 pages and 1051 pages.

Specifications:

SKU: 952665 Categories: Case, Excavator

Product Manual

Symptom	Causes	Remedy
1. Engine is overloaded	Engine speed higher than the specified value Pressure higher than the specified value Seizure or damage of internal parts of the pump	Adjust the pump as per the specified value Reduce pressure to within specified limits Repair or replace the pump
2. Pump oil level is extremely low or the delivery pressure does not increase	Reduction of engine speed Failure of pump mounting coupling Seizure or damage of internal parts of the pump	Adjust the speed Repair or replace the pump/coupling Repair or replace the pump
3. Abnormal sound or vibration occurs (Cavitation phenomenon)	Low tank oil level Air and water contamination in the hydraulic oil Clogging on the suction strainer Clogging on or throttling of the suction pipe Damage of the caulking part of the piston shoe Looseness of the pump mounting part Coupling failure	Supply the hydraulic oil to the specified level Retighten the bolts of the circuit, especially those of the suction pipes Replace the hydraulic oil contaminated with water Clean or replace the suction strainer Repair the suction pipe Replace the cylinder barrel assembly Fix the mounting part Replace the coupling
4. Oil leakage occurs	Failure of the O-ring or packing Looseness or tightening failure of the plug Oil leakage from the oil seal edge	Replace the O-ring or packing Retighten the plug with the specified torque Repair or replace the oil seal or shaft

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