Section 4 • Repair Procedures
REV A
September 2016
4 - 38
GRC
Part No. 227123
12 Attach a lifting strap from an overhead crane
to the number 3 mast and carefully slide the
number 3 mast onto the number 2 mast, with
the cylinder mount brackets facing the work
table.
Crushing hazard. The number 3
mast could become unbalanced
and fall if not properly supported.
Note: During installation, the overhead crane strap
will need to be carefully adjusted for proper
balancing.
13 Slide the lower, inner corner wear pads
between the number 3 mast and the number 2
mast. Align the holes on the wear pads to the
rivet holes on the lower half of the number 3
mast and secure into place using the
appropriate rivets. Refer to Illustration 5.
Illustration 5
a
number 3 mast
b
rivet
c
wear pads
d
number 1 mast
e
number 2 mast
14 Slide the number 3 mast towards the bottom of
the number 2 mast and align the lower number
3 mast access holes to the lower number 2
rivet holes. Refer to Illustration 6.
15 Working at the top of the number 3 mast,
carefully slide the lower corner wear pads
between the number 3 mast and the number 2
mast. Refer to Illustration 6.
16 Align the rivet holes on the wear pads to the
number 3 mast access holes and to the number
2 mast rivet holes. Refer to Illustration 6.
17 Using the appropriate rivets, securely install
the lower corner wear pads, to the lower half of
the number 2 mast. Refer to Illustration 6.
Note: After installing the first rivet, move and align
the number 3 mast access hole to the second hole
on the wear pad and install the second rivet. Refer
to Illustration 6.
Illustration 6
a
wear pad
b
rivets
c
number 3 mast
d
number 2 mast
e
number 1 mast
MAST COMPONENTS
