SANY SR400R - Return Filter

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Safety, Operation and Maintenance Manual-September 30, 2019

5-79

Fig.5-85 Applying Hydraulic Oil

12.Coat the seal of a new pilot filter with clean

hydraulic oil.

13.Install the new pilot filter on the filter base.

Tighten the pilot filter by hand.

NOTICE

Dispose of the filter and fuel in

accordance with local environmental

regulations. Failure to do so could result

in damage to the environment.

5.4.9.5 Return filter - replace

See: Chapter 2 Safety, “environment protection” on page 2-72,. before proceeding with this

procedure.

CAUTION

Hydraulic fluid is hot and under pressure. Always wait for the machine to cool down to

below 160° (71°C) before attempting to open the hydraulic fluid system. Failure to do so

could result in minor or moderate injury.

Fig.5-86 Fill Plug/Vent Plug and Return Filter

1. Loosen the fill plug/vent plug (A) in order to

release all the pressure. Tighten the fill plug/

vent plug after the hydraulic tank pressure is

relieved.

NOTE：

Fill plug/vent plug is located on the top of

the upper carriage.

2. Remove filter cartridge (B). Procedures are

as follows:

NOTE：

The return filter cartridge (B) is located on

the top of the upper carriage.

SR400R Rotary Drilling Rig

Maintenance

mengkf 2022-04-21

SANY SR400R - Return Filter - Replace