How To Use The Demolition Hammer - Hitachi H 90SG Safety Instructions And Instruction Manual

Mounting air tool shank and standard hexagonal
shank tools.
(1) Clean, then smear the accessory shank portion
with grease or machine oil.
(2) Move the retainer to open position
seat the accessory, such as a bull point, a
cutter, etc., in the hexagonal hole in the front
cover (See Fig. 4).
Retainer
Tool Shank
Fig. 4
(3) Clamp the accessory into place by bringing
the retainer to the clamp position. To make
sure that the accessory is properly mounted,
pull on the accessory. (Fig. 5)
Fig. 5
Mounting standard hexagonal shanks and retaining
groove shanks without collars.
(1) Clean, then smear the accessory shank portion
with grease or machine oil.
(2) Move the retainer to position
accessory shank portion so that its recessed
portion is under clamp and seat the accessory
such as a bull point, a cutter, etc., in the
hexagonal hole in the front cover (See Fig. 6).
Tool Shank
Retainer
Fig. 6
and
Front Cover
. Align the
Front Cover
Recessed
Portion
(3) Clamp the accessory into place by bringing
the retainer to clamp position
sure that the accessory is properly mounted,
pull on the accessory. (Fig. 7)
NOTE:
When removing the accessory, such as a bull point,
a cutter, etc., carry out the above procedures in
reverse.
HOW TO USE THE DEMOLITION
HAMMER
1. Pull the trigger switch after applying the tip of the
bit to the crushing position.
2. Operate this demolition hammer by utilizing its own
weight. The performance will not be better even if
it is pressed or thrust forcibly against the work
surface. Hold this demolition hammer with a force
just sufficient to counteract the reaction.
This demolition hammer is equipped with a spring
cushion on the handle so that chipping vibration is
not conveyed to the operator.
Operate this demolition hammer without forcing the
handle too strongly.
English
. To make
Fig. 7
Fig. 8
9