How To Use The Demolition Hammer; Grease Replacement - Hitachi H 45SR Handling Instruction

6. Installing the dust cover
CAUTION
Be sure to switch power OFF and disconnect the plug from the receptacle to avoid
serious trouble.
When the dust cover has been seated over the grip (A), then dust will be prevented from getting
into the tool chuck during operation.
Install the dust cover as follows.
(1) Install the tool into the tool chuck.
(2) Insert the dust cover starting from the tip of the
tool.
(3) Press the tool all the way in, then seat the dust
cover on the grip (A) as shown in Fig. 6.
(4) When installing tools such as cutters, insert the
dust cover into the tool and install the tool onto
the tool chuck before seating the dust cover on
the grip (A).
7. Removing Tool
As shown in Fig. 4, pull grip (A), and pull out the tool.
CAUTION
Be sure to grip the hanle and side handle or grip (B) portion during work. Do not
hold by the grip (A) during work. If you pull it by mistake, the bull point could jump
out.
HOW TO USE THE DEMOLITION HAMMER (Fig. 7)
1. After placing the tip of the tool in the base
hole, switch ON.
2. By utilizing the weight of the machine and by
fi rmly holding the demolition hammer with
both hands, one can eff ectively control the
subsequent recoil motion.
Proceed at a moderate work-rate, the use of
too much force will impair effi ciency.

GREASE REPLACEMENT

This machine is of full air-tight construction to protect against dust and to prevent lubricant
leakage. This machine can be used without grease supplement for an extended period of time.
However, perform the grease replacement to maintain the service life. Replace the grease as
described below.
Dust cover
Handle
Cylinder case
Grip (B)
19
English
Grip (A)
Fig. 6
Side handle
Fig. 7