47156310_ed2
3
Disassembly of the Impulse Mechanism
1. Lift the assembled motor off the Hammer Case and pull the
mechanism assembly out of the Cover.
91
92
86
66
2. With the assembled mechanism off of the Rotor, use Oil Plug
Wrench to unscrew and remove the Oil Plug (91) and
O-ring (92) from the front end of the Mechanism.
5. Using the 1.5 mm hex wrench furnished with the tool, rotate the
Torque Adjustment Screw (86) counterclockwise until it stops.
6. With the oil plug opening downward over a container, rotate the
Drive Shaft to purge the fluid from the mechanism.
7. Insert the Jig A into the Liner Cap (66). Using a wrench on the Jig
A, unscrew and remove the Liner Cap (66) from the Liner Case.
(Refer to Dwg. TPD1267.)
NOTE: An adhesive agent is used on Models QS140P4 and QS150P6.
Jig A
COUNTERCLOCKWISE TO LOOSEN
(Dwg. TPD1267)
8. Stand the Jig B, with large end downward, on a workbench or
on the table of an arbor press. Insert the output end of the Drive
Shaft into the central opening and either tap/press the Liner Case
downward off the components. (Refer to Dwg. TPD1268.)
HOUSING
Jig B
(Dwg. TPD1268)
9. Disassemble the components of the mechanism in the sequence
shown in Manual 47155908.
Disassembly of Main Shaft and Blades
81
80
82
67
1. Remove the Liner Upper Plate (67).
2. Match the positions of the Blades (81) to the circle center part.
3. While holding the Blades at that position, Push the Main Shaft
(80) out.
4. Remove the main shaft (80), Blades (81) and Spring (82).
Disassembly of Relief Valve
86
84
75
1. Rotate the adjust Bolt (86) clock wise to maximum.
2. Remove the Liner Lower Plate (84).
3. Remove the Relief Valve (75) by pushing the Relief Valve to the
Upper Plate side with a Pin.
NOTICE
In the following step do not push the relief valve to Lower Plate
side, which can make O-ring get jammed.
Disassembly of Liner Lower Plate
86
89
91
92
90
84
94
83
1. Remove the adjust Bolt (86).
2. Loosen Oil plug (91) 2 pcs with a slotted head screwdriver.
3. Remove the Oil Plug (91) from the underside by pushing it with a
Pin.
4. Remove the Liner Lower Plate (A) (83) and Lower Plate (B) (84).
Note: Can be easily removed by rotating the Liner Lower Plates.
5. Remove the Ball (90) and Spring (89) with a Pin.
NOTICE
Ball and Spring should be retained carefully for future use.
6. Remove the O-ring (92) and Back Up Ring (94) from the adjust
bolt hole with Pin.
Disassembly of Sensor
67
70
71
1. Install the Gimlet with diameter less than 1 mm to the Gimlet
hole of the Liner Upper Plate (67).
2. Remove the Sensor (70) by pushing it with the Gimlet. Remove
O-ring (71).
Disassembly of the Motor Case Cover
Removal of Motor Case Cover Assembly
42
57
56
54
53
1. Loosen the Bolt (56) 4 pcs to remove the Motor Case Cover (42).
2. Remove the Upper Plate Spacer (53) and O-ring (54).
