J&M 220 Operating And Maintenance Manual - page 20
MODEL 220
HYDRAULIC
IMPACT HAMMER
II.
PREPARATION FOR OPERATION
FIG 3
32”
LEADS
1 Ram
SAME
2 Hammer Base Plate
SAME
3 Striker
Block
SAME
4 Drive Cap Base
700006
5 Bumper
SAME
6 Bolt & Nut
SAME
7 Alluminum
Plate
700004
8 Cushion
700002
9 Recoil
Dampener
SAME
10 3/4" Wire Rope
11 Drive Cap Insert
G. MOUNTING HAMMER IN LEAD
To slide the hammer into swinging leads, in horizontal position, pick up hammer as
described in Section II-C.
For vertical installation into leads, first attach the crane line to the hammer as
described in Section II-D. and lift hammer carefully into vertical position. Position
leads over the hammer and lift the hammer into the lead guide rails.
Alternately, remove the rear lead guide angles from the hammer. Position the
hammer on the lead guide rails and re-install the rear guide angles. Be sure to
torque the guide angle attachment bolts per Section II-E.
II-7
8
7
2
6
11
9
5
1
3
10
4