Carrier operating and maintanance Especificaciones descargar pdf (Pagina 101)

Section III: Maintenance

Page 91

5-376-000097

REV. 1 - 12/08

HYDRAULIC CLUTCH PUMP

Problem Cause Solution

No oil flow from a. No oil in reservoir a. Fill hydraulic reservoir

pump b. Pump not “primed” b. Fill inlet hose from pump

end

c. Clutch not engaging c. Check wiring/fuse

Pump will not build a. Relief valve improperly set a. Adjust relief valve to manu-

or hold pressure facturers specification

b. Relief valve stuck open b. Remove, clean and reset

Pump is noisy - a. Air in the system a. See “Oil Foaming”

whines b. Cavitation b. Check Hoses, Reservoir

breather or strainer

Pump is noisy - a. Belts are worn/loose a. Inspect, adjust and/or

squeals replace

b. System horsepower b. Review application

demand exceeds belt

capacity

c. Clutch is slipping c. Check voltage/ground

Pump ‘throws” belts a. Engine and pump pulley a. Check installation

alignment

b. System horsepower b. Review application

demand exceeds belt

capacity

c. High-speed engagement c. Reduce start-up RPM

Pump leaks at shaft a. Damaged seal a. Replace seal

seal b. Damaged pump body b. Replace pump body

Pump leaks at body a. Damaged seal a. Replace seal

section b. Damaged pump body b. Replace pump body

c. Body section bolt torque c. Torque to specification

Pump leaks at a. Loose fitting a. Inspect and/or tighten

fittings b. Damaged fitting b. Replace fitting

c. Damaged pump body c. Replace pump body

Pump is overheating a. Low oil level a. Fill hydraulic reservoir

b. Dirty oil b. Replace oil and filter

c. Relief valve stuck open c. Remove, clean and reset

d. Relief valve improperly set d. Adjust relief valve to manu-

facturers specification

e. Improper weight oil e. Replace with correct oil

Oil foaming a. Low oil lever a. Fill hydraulic reservoir

b. Improper oil b. Fill with correct oil

1 2 ... 96 97 98 99 100 101 102 103 104 105 106 ... 115 116

Comentarios a estos manuales

Sin comentarios

Carrier operating and maintanance Especificaciones Pagina 101

Comentarios a estos manuales

Relacionado con productos y manuales para Acondicionadores de aire del sistema de división Carrier operating and maintanance