JCB 3CX-4CX backhoe loader engine overhauls : check chart/operating hours.

CHECK / MAINTENANCE / REPLACEMENT	10	50	100	500	1000	2000	5000
ENGINE
Coolant quality and quantity*	●	●	●	●	●
Coolant**						●	●
Engine oil level	●	●
Engine oil and filter**				●	●	●	●
Outdoor air filter**					●	●	●
Indoor air filter**						●	●
Fuel filter**					●	●	●
Decanter filter**				●	●	●	●
Decanter filter		●	●	●	●	●	●
Engine idle speed			●	●	●	●	●
Maximum engine speed without load			●	●	●	●	●
Valve game						●	●
Oil filler neck and oil dipstick						●	●
Tensioning of accessory belt				●	●	●	●
Excessive exhaust gases*	●	●	●	●	●	●	●
Exhaust pipe fixing*			●	●	●	●	●
Intake fixing gallery*			●	●	●	●	●
Accelerator cable*			●	●	●	●	●
Engine pad fixing screw*			●	●	●	●	●
All hoses – visual*			●	●	●	●	●
High pressure pipes and injectors*							●
Radiator				●	●	●	●
Airisitor						●	●
Cylinder head cover gasket and injector gasket**						●	●
Injectors**							●
Injector return ramp**							●
Accessory belt**							●

*Requires inspection, repair or replacement if necessary
**Replacement required according to manufacturer’s standard hours
Needs checking, cleaning and/or adjustment, or replacement if necessary

Some of the checkpoints, require service information and special equipment for check-fix-replace!