Carrier operating and maintanance Especificaciones descargar pdf (Pagina 100)

Section III: Maintenance

Page 90

5-376-000097

REV. 1 - 12/08

TROUBLE SHOOTING

You probably won’t require anything but preventive maintenance to keep

your Carrier running, however, the following chart will help you isolate and

correct minor problems if they occur with use. Any service work on the

hydraulic system should be performed by qualified mechanics. For a more

comprehensive trouble shooting guide refer to Jerr-Dan’s “Hydraulic

Troubleshooting Guide”, part number 5-377-000013, which is available through

the Service Parts Department.

HYDRAULIC SYSTEM

Problem Cause Solution

Slow operation a. Low engine RPM a. Speed up engine

b. Low oil level b. Check dipstick and fill with

the specified oil

c. Blocked or restricted c. Inspect: remove blockage

hoses

d. Dirty hydraulic oil d. Drain, flush and refill with

clean oil, replace filter

e. Hydraulic pump worn e. Rebuild or replace

f. Clutch Pump belt slipping f. Tighten or Replace belt

Valve Solenoid(s) a. Broken centering spring a. Inspect, clean or replace

sticking or frozen or clogged with foreign

material

b. Low Amperage/Voltage b. Check Amperage/Voltage

at Solenoid

Valve leaks a. Defective seals a. Replace

Cylinder leaks a. Defective seals or rods a. Inspect and replace

b. Dirty or Defective b. Clean or Replace

CounterBalance Valve CounterBalance Valve

Erratic cylinder a. Air in the system a. Cycle hydraulic system 10

function to 15 times to remove air

b. Defective pump b. Replace if necessary

(pulsating)

Remote hand a. Electric power turned off a. Turn on controller

controller fails to power on controller

respond b. Bad or discharged battery b. Replace battery

c. Faulty Remote Hand c. Use Manual Controls

Controller at Rear of Body

d. Loss of program memory d. Reprogram memory

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Carrier operating and maintanance Especificaciones Pagina 100