Attachments
Section A Section A
7 - 1 7 - 1
9803/8500 Issue 1
Backhoe
Routine Maintenance
Every 10 Hours or Daily
Greasing - 22 points
First 50 Hours and Every 200 Hours
Slacken locking nuts A and then tighten studs B until there is
no play. Tighten the locking nuts firmly.
Technical Data
Main Relief Valve (MRV) 172 bar (2494 lbf/in
2
)
Auxiliary Relief Valves
Boom raise and lower 180 bar (2610 lbf/in
2
)
Dipper raise and lower 180 bar (2610 lbf/in
2
)
Slew left and right 158 bar (2291 lbf/in
2
)
Bucket crowd 180 bar (2610 lbf/in
2
)
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