Hitachi DH 40MEY Service Manual page 10

(4) Slip clutch ass'y
Press-fit the Collar [116] and Ball Bearing 6002DD [118] in this order to the Bevel Pinion [115], and
then insert the Washer [119] and Washer (A) [120] in this order. Mount the Feather Key [94] to the
Bevel Pinion [115] and press-fit the Gear Holder [121]. Insert the Second Gear [124] into the outer
periphery of the Gear Holder [121]. Apply Hitachi Motor Grease No. 29 to the inner periphery of the
Second Gear [124] in advance. Insert the ten Needles [122] upright as shown below, and then push in
ten Springs (C) [123]. Fill up the slotted groove and through-hole portions of the Gear Holder [121]
with Hitachi Motor Grease No. 29, and then press-fit the Spacer [125] and Ball Bearing 629VV [126] in
this order to the Bevel Pinion [115].
Fig. 11
[115]
[120]
A
[124]
[126]
(5) Handle shaft and handle (A)
Push the Holder [73] into the Back Cover [60]
by hand. Make sure the gap of the Holder [73]
is at the bottom and the Holder [73] does not
protrude from the surface of the Back Cover
[60]. Make sure the convex mark on the Back
Cover [60] is aligned with the convex mark on
the Handle Shaft [74]. Assemble the Handle
Shaft [74] and push the four Handle Dampers
[56] into the gap between the Holder [73] and
Handle Shaft [74]. Make sure the Handle
Dampers [56] do not protrude from the end
surface of the Back Cover [60].
To mount Handle (A) [64] and Handle (B) [55],
rotate the Handle Shaft [74] about 10°, and
then fit the Transatory Unit [57] and Handle
Shaft [74] to Handle (A) [64] and Handle (B)
[55] simultaneously.
[121]
[116]
[118]
[115]
[119]
A
[125]
Slotted groove in
the gear holder
Fig. 12
-9-
[122]
[123]
[94]
Section A—A
[73]
Convex mark
Gap portion
[56]