6
47156310_ed2
3. Tighten the Bolt (4 pcs) (56), pre-tighten the Bolts in several
batches and check for smooth rotation of motor. Tighten the
Bolts to the specified torque 2.0±0.5Nm.
4. Degrease or wash the female thread part of the Motor Case Cover
and thread part of Valve Plug using Degreasing washing agent.
5. Apply Anaerobic strong sealing agent to whole thread part of
Valve Plug at 2-3 turns.
6. Tighten the Valve Plug to specified torque and wipe out the
overflowed agent from the side of the Motor Case Cover.
(Torque 1.5Nm)
Assembly of Trigger and Throttle Assembly
10
19
12
17
13
21
24
25
27
26
29
28
1. Install O-ring (10) onto the Hose Joint Assembly, followed by the
Exhaust Cover Assembly.
2. Coat the Hose Joint Assembly thread with thread lock and secure
it to the Housing.
3. Install the Throttle Rod Seal in the groove on the large hub of the
Throttle Rod (17).
4. Install O-ring (16) in the groove on the Throttle Rod Bushing (15).
5. Slide the Throttle Rod Bushing, onto the Throttle Rod (17).
6. Secure Throttle rod assembly by installing O-ring (19) in the small
groove on the Throttle Valve Rod (17).
7. Insert the Reverse Valve (21) part way into the Throttle Bushing
(12). Install the Spring (24) and Ball (25), then carefully push the
Reverse Valve the rest of the way into the Throttle Bushing (12).
8. Insure that the Ball (25) is aligned with one of the holes in the side
of the Throttle Bushing.
9. Install the O-ring (13) in the groove on the Throttle Bushing (12).
10. Assemble the Reverse Lever (26) onto the Reverse Valve (21) and
secure with a Roll Pin (27).
11. Insert the Throttle Assembly through the Reverse Valve (21), then
secure with the Throttle Knob (28) and a Roll Pin (29).
12. Insert Throttle Assembly (31) into the Motor Housing, taking care
to align the slots in the Reverse Valve and Throttle Bushing with
the pin hole in the Motor Housing.
13. Secure Throttle Assembly (31) with pin, which should be centered
from side to side.
14. To prevent air leakage, after pin assembly seal each end of the pin
with cement.
Assembly of hammer Case Assembly
59
60
63
40
41
38
61
1
62
99
102
64
100
101
96
97
98
1. Insert Rod (59), Spring (60) into Rotor (38). Apply grease to the
bearing (62).
2. Assemble bearing (100) and main shaft bushing (101) to Hammer
Case (99).
3. Apply grease to Bearing of Hammer Case, Bearing Part and to the
hexagon part.
4. Assemble greased Lower Plate Spacer (61) with its Bearing (62)
and washer (63) facing the impulse unit.
5. Aligning the Position of the Washer (63) to the groove of the
Hammer Case (99), Install the Linear Case Assembly to the
Hammer case.
6. Install ST Packing (96, 97, 98).
7. Tighten the Hammer Case (99) to the Motor case (1).
NOTICE
Match the Position of impulse unit and hexagon position of
motor part by rotating the main shaft with fingers In Case there
is a mismatch in the position of impulse unit and hexagon
position of motor part.
7. Fully tighten the hammer case with use of Jig P. Install Jig P on
the Hammer Case by aligning the Socket Plug position with the
bolt on the Hammer Case. (Torque 50±5Nm).
