# General Service Instructions

- Electrical work may only be carried out by qualified electricians.

- Use only original spare parts as per the spare parts list.

- Hydraulic fluid change and filter change (if fitted) at least once every year or at the latest after every 300 operation hours; if necessary earlier, if the pump unit is used in a dusty environment.

  - Recommended hydraulic fluids: check oil chart.

  - Hydraulic fluid quantity : see Technical Data

  - Fluid filter as per spare parts list.

- Quick-Disconnects

  - Fittings should be checked periodically for leaks. Dirt or foreign materials should be kept away from fittings.

  - Clean before use.

- Hydraulic Gauge

  - Some gauges are liquid filled. Should this liquid level drop, it indicates external leakage, and replacement is necessary.

  - Should the gauge fill with hydraulic oil, it indicates internal failure and it should be discarded.

- Filter on Pump

  - The filter should be replaced twice a year in normal use and more often if the pump is used daily or in a dirty, harsh environment.

- Remote Control

  - The air line to the remote control unit should be checked for obstructions or kinks in the line periodically. If there is a bend or break in the line, it must be replaced. The spring-loaded buttons on the remote handle should be checked in the event of operating difficulties.