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Section 5 – Procedures General
5.1-2 How to Install the Boom
Maintenance Support
The boom maintenance support, or an equivalent
supporting device in the same location capable of
supporting a minimum of 106 757 N (24,000 lbf),
must be used whenever work is done underneath the
boom. Refer to 5.1-1 Safety and Workmanship.
IMPORTANT
Due to the weight of the maintenance support and
the size of the MEWP, it is recommended that you
have a second person assist with this procedure.
1. Raise the boom to an angle of 40°.
40º
2. Open the engine side cowling. Remove and
set aside the fixed cowling from the engine side
of the boom. There are six sets of hardware to
remove - one outside the cowling and five inside
the cowling.
3. Check that the bottom of the main lift cylinder is
clear of the maintenance support notch in the
turret wall. If it is not, raise the boom higher.
4. Make sure the lock-pin is out of the support.
5. Lift the boss end of the maintenance support bar
over the notch in the turret wall. Then angle it
downward a little and slide it under the main lift
cylinder.
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