Complete workshop & service manual with electrical wiring diagrams for JCB Telescopic Handler 520. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.
This JCB Telescopic Handler 520 service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.
9803-3300 - JCB Telescopic Handler 520 (Up to SN270587) Service Manual.pdf
PRESSURE MAINTAINING VALVE
Dismantling and Assembly
Use the numerical sequence as a guide to Dismantling.
For Assembly reverse the sequence.
Ensure that all work surfaces and components are clean.
Identify springs for correct replacement.
Renew seals and gaskets, lubricate all components with transmission fluid before fitting.
If low clutch pressure has previously been diagnosed renew both springs.
Remove burrs or light markings from pistons or bores by polishing. If scoring or damage is evident components must be renewed.