-7-
Fig. 9 • Reassembly of the hammering mechanism
4. Reassembly of the hammering mechanism
NOTE: Degrease the M5 screw hole on Inner Cover (A) Ass’y [49]{49} using the parts cleaner before
reassembly of the hammering mechanism. Otherwise, the screw may be loosened and it may
cause troubles.
(1) Mount O-ring (A)
[30]{30}
to the Striker
[29]{29}
and push it in the Piston
[31]{31}
as shown in Fig. 9.
Mount the two Washers
[42]{42}
to the Piston
[31]{31}
and insert the Piston Pin
[41]{41}
into the Piston
[31]{31}
.
(2) Mount O-ring (A)
[36]{36}
to Inner Cover (A) Ass’y
[49]{49}
. Put 6 grams of grease for rotary hammer in
the cylinder of Inner Cover (A) Ass’y
[49]{49}
.
(3) Insert the arm of the Reciprocating Bearing
[45]{45}
of the second shaft ass’y into the Piston
[31]{31}
so that the arm of the Reciprocating Bearing
[45]{45}
is sandwiched between the two Washers
[42]{42}
as shown in Fig. 9. Insert the rear end of Second Shaft (A)
[43]{43}
into Inner Cover (A) Ass’y
[49]{49}
.
(4) Allow the inner ring of the Reciprocating Bearing
[45]{45}
to make one rotation and check that the Piston
[31]{31}
makes one reciprocation. Pull the Piston
[31]{31}
to check that it does not come off.
(5) Fit Inner Cover (B)
[35]{35}
in Inner Cover (A) Ass’y
[49]{49}
and tighten the two Seal Lock Hex. Socket
Hd. Bolts M5 x 14
[34]{34}
.
Arm of
[45]{45}
Put 6 grams of grease
for rotary hammer in it.
[49]{49}
[36]{36}
[30]{30}
[31]{31}
[29]{29}
[34]{34}
[42]{42}
[35]{35}
[41]{41}
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