Dry cleaning solvent is toxic and
flammable. Wear protective goggles
and gloves and use only in well-
(1) was removed, use dry cleaning solvent
(item 10, appx C) and wire brush to
remove residual adhesive from
surface of cupola ring (2).
Apply epoxy resin adhesive (item 2, appx
C) to bonding surfaces of cupola ring (2)
and operator's cupola ring cushioning pad
(1). Install operator's cupola ring cushion-
ing pad. Center in cupola within 0.03 in.
(0.08 cm) total and bend tabs (3) on
operator's cupola ring cushioning pad
hold firmly in place.
Cupola hinge torsion bar (4) shall be
installed so that cupola vehicle hatch
door (5) will have equal torsion in
open and closed positions.
Install cupola vehicle hatch door (5) and
cupola hinge torsion bar (4).
Install lubrication fitting (6) in cupola hinge
torsion bar (4) and fill with grease (item
12, appx C).
Install cupola spring anchor (7) on top of
cab and interlock cupola hinge torsion bar
(4). Secure cupola spring anchor with two
new Iockwashers (8) and two hexagon