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Makita 5077B Parts Breakdown page 4

7 1/4" hypoid saw
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SERVICE CHANGE
-
FIG.
15
17
5 0
51
55
3)
Change o n t h e Armature and t h e H y p o i d Gear staring
from
Serial Number
240,934E.
TYPE 2
DESCRIPTION
TYPE 1
Ball Bearing
Part # 2 1 1061-7
Hypoid Gear
Part
#'
221376-4
Part # 221396-8
Gear Housing
Part # 157729-0
Part # 159559-5
Part # 322474-8
Seal Ring 1 7
Armature
Part
#
614866-8
Part
#
5 1 4 9 9 6 4
Part # 2 1 1066-7
6200LLB
6OOOLLB
(Discontinued)
(Discontinued)
Part
#
322101-7
(Discontinued)
(Discontinued)
TYPE 1
TYPE 2
O.D.
=
1-3/16"
(30mm)
O.D.
=
1-1/64"
(26")
4 6 Teeth
3 6 Teeth
Hole for Seating Bearing, Fig. 1 5
1 -3/16"
(30mm)
1-1 /64"
(26")
REPAIR NOTE
Type 1 Gear Housing can be modified t o Type 2 Gear Housing by inserting Ring 2 6 (part # 2571 79-0) into the
area where the Bearing sits.
Place Retaining
installing into the
4 MODEL
50778
RETAINING RING 5-17
HYPOID GEAR SECTION
ARMATURE
Ring S-17 on the groove of the Armature before assembling the Hypoid Gear section and
Gear Housing.
1-94

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