TM 5-2420-232-10
0004
BACKHOE BOOM LOCK
0004
WARNING
Never operate the backhoe control levers from outside the cab. Operate the control levers only
when you are correctly seated inside the cab. Failure to comply could result in injury or death to
personnel.
Engage the boom lock before traveling on the road. Failure to follow this warning may result in
injury or death to personnel.
NOTE
It is recommended that the boom lock be engaged before fitting the swing lock.
Engage Boom Lock
0004
1.
Set the backhoe straight out behind the machine. Lower the boom enough so the boom lock (Figure 78, Item 1) is clear of
the boom (Figure 78, Item 3).
2.
Fully raise the boom lock (Figure 78, Item 1) by pulling on the lever (Figure 78, Item 2).
3.
Close the boom cylinder.
4.
Push in lever (Figure 78, Item 2) to lower the boom lock (Figure 78, Item 1). Ensure the lock is fully engaged in the boom
lugs (Figure 78, Item 4).
5.
Lower the boom (Figure 78, Item 3) slightly to tighten the lock.
435-A0286
Figure 78. Backhoe Boom Lock
04
Disengage Boom Lock
0004
1.
Raise the boom (Figure 78, Item 3) a little to release the boom lugs (Figure 78, Item 4).
2.
Pull out the lever (Figure 78, Item 2) to raise the boom lock (Figure 78, Item 1).
3.
Lower boom (Figure 78, Item 3) to clear the boom lock (Figure 78, Item 1) before releasing the lock.
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