Removal
1
Slew the kingpost to the centre and remove the boom
and dipper.
! WARNING
Hydraulic fluid at system pressure can injure you. Before
disconnecting or connecting hydraulic hoses, stop the
engine and operate the controls to release pressure
trapped in the hoses. Make sure the engine cannot be
started while the hoses are open.
INT-3-1-11/1
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2
Make sure that the slew lock pivot pin 11 is in its
stowage position (i.e. not fitted in the ‘slew lock’
position.
3
Working from the base up, disconnect the backhoe
hydraulic hoses, before disconnecting the hoses make
sure that they are labelled (to assist with reassembly).
4
Plug and cap all open hydraulic connections to prevent
ingress of dirt and loss of hydraulic fluid.
5
Remove thin nuts 1 (2 off per pivot pin) and remove
pivot pin retaining bolt 2 (2 off).
6
Remove the slew ram (eye end) pivot pins 3 (2 off) and
bearing liners 3A.
7
Attach suitable lifting straps to the kingpost assembly.
Note that the weight of the kingpost casting is
approximately 130 kg (287 lbs).
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8
Remove the boom lock assembly (see Boom Lock
Removal and Replacement in Controls, section D).
9
Remove thin nuts 4 (2 off) and remove retaining bolt 5.
10
Remove the kingpost top pivot pin 6.
11
Remove bolt 7, washer 8, and spacer 9.
12
Remove the kingpost bottom pivot pin 10.
13
Remove the kingpost casting 12 from the rear frame
and thrust washers 13.
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