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9-2-2. Reassembly
Simply reverse the disassembly procedures while observing the following precautions.
(1) Anvil section
(a) Insert Anvil (M) [29] with the chamfered inner diameter section of Washer (F) [27] facing the Anvil vane.
(b) Insert the Rubber Washer [26] and the Metal D20 x 16 [24] and its Oil Seal 12 x 18 x 3 [22] so that grease
will not leak from inside.
(c) Fit the two Steel Balls [28] [3.175 mm dia. (1/8")] into the hole in Anvil (M) [29] and assemble Guide Sleeve
(A) [21], the Guide Spring [20] and the Retainer [19] in this order. Then fit the Retainer Ring [18] into the
Anvil groove.
(Note) Assemble with the stepped portion of the Retainer [19] facing the forward end.
(2) Hammer and spindle section
(a) Press-fit the Gear [37] from the top of the Spindle, insert Washer (A) [36] and fit it into the groove of
Spindle (A) [38] with the chamfered face of Stopper (A) [35] facing up. Then insert the Spring [34], and
with 21 Steel Balls [32] [3.97 mm dia. (5/32")] and Washer (G) [33] placed in the Hammer, keep on the
Hammer with Spindle (A) [38] contacted.
(b) Bring the apex of the cam groove provided in Spindle (A) [38] in Fig. 15 on page 14 into alignment with the
Steel Ball receiving groove in Hammer (A) [31]. Press down by hand one of the lugs at the Hammer end to
compress Spring [34], and compress Stopper (A) [35] at end face of the Hammer (A) [31] until it rests on
Spindle (A) [38] to support it.
(c) Fit the two Steel Balls [30] [5.55 mm dia. (7/32")] into the Steel Ball receiving groove. After making sure
that the Steel Balls are in the cam groove, release the pressure to complete assembly.
(3) Assembly of mechanical parts into Housing (A)
(a) Spline the Anvil (M) [29] with its assembly parts shown in Fig. 16 to the Spindle and install in Housing (A).
Fit Washer (A) [40] behind the Ball Bearing [39].
(b) Insert Ball Bearing (B) [48] into the Gear (second pinion) [37] and install in Housing (A) so that the gears
mesh.
Fig. 16
Steel Balls D3.175 [28]
Guide Sleeve (A) [21]
Retaining Ring [18]
Guide Spring [20]
Retainer [19]
Note: Orient the roughened
end toward the tip.
Oil Seal 12 x 18 x 3 [22]
Note: Be careful to orient
the direction of the tip.
Note: The chamfered side of
the bore of Washer (F) [27]
must face toward the wings
of the Anvil.
Metal [24]
Rubber Washer [26]
Washer (F) [27]
Anvil (M) [29]
