P 4/ 16
R
epair
[3] DISASSEMBLY/ASSEMBLY
[3]-1. Driver, Front cushion (cont.)
DISASSEMBLING
ASSEMBLING
M5x10 Hex socket
head bolt (2pcs.)
Separate Cylinder section from Housing after removing
Arm plate, Contact top and Front plate.
(2) Separate Cylinder section from Housing. And then disassemble Front cushion. (Fig. 4)
(1) Assemble Front cushion to Cylinder as illustrated in Fig. 5.
(2) Mount two Piston rings to Driver complete. (Fig. 6)
M5x16 Hex socket
head bolt (3pcs.)
Arm plate
Contact top
Front plate
Housing
Front cushion
Push Front cushion into Cylinder
with hammer until it stops.
Insert slotted screwdriver
from the nail exit side,
and push Front cushion
out of Cylinder section.
Fig. 4
Cylinder
section
Front cushion
hammer
more than
90 degrees
Assemble Piston ring (2pcs.) to Driver complete
so that the angle of their slits is more than 90 degrees.
slit
slit
slit
slit
Cylinder
Driver complete
Fig. 5
Fig. 6
Contact top
Contact top
Use slotted screwdriver to prevent
Piston rings from being caught in
the groove of Cylinder for
Retaining ring (INT) R-58.
(Refer to Fig. 3.)
Set Driver complete in place
so that the flat tip faces
Contact top installation side.
Note: Do not face the chamfered tip
of Driver complete to Contact top
installation side
(3) Insert Driver complete into Cylinder as illustrated in Fig. 7.
(4) Inserting Cylinder section into Housing, tighten Front plate with M5x16 Hex socket head bolt (3pcs.).
Assemble Contact top and Arm plate. (Fig. 4)
(5) Assemble Retaining ring (INT) R-58 to the groove in Cylinder. (Fig. 3)
(6) Assemble Handle set to Housing. (Fig. 2)
Fig. 7