Doosan DX700LC Operation And Maintenance Manual page 261

Bucket O-ring Replacement
Due to possibility of flying metal objects, always wear
safety helmet, protective gloves and eye protection when
changing pins.
1. Inspect bucket O-rings on a routine basis. If worn or
damaged, replacement is necessary.
2. Roll old O-ring (1, Figure 140) onto boss (2) around bucket
pin (3). Remove bucket pin and move arm or bucket link
(4) out of way.
3. Remove old O-ring and temporarily install new O-ring (1,
Figure 141) onto bucket boss (2). Make sure that O-ring
groove on both bucket link (4) and boss have been
cleaned.
4. Realign arm or link with bucket pin hole and insert bucket
pin (3, Figure 140).
5. Roll new O-ring (1, Figure 142) into O-ring groove.
Inspection, Maintenance and Adjustment
WARNING
Figure 139
1
2
3
Figure 140
1
2
Figure 141
Figure 142
FG000502
4
ARO1390L
4
ARO1391L
1
ARO1392L
OP001123
4-73