Makita 5077B Quick start guide

Model 50778
WIRING DIAGRAM
Bluc
IMPORTANT - To assure product SAFETY
and RELIABILITY, repairs, maintenance or
adjustmentsshouldbeperformedbyMAKITA
Service Centers or other qualified service
organizations. Always use MAKITA
replacement parts.
1 -94

Part Qty.
Fig. No. Used Description
Part Qty.
Fig. No. Used Description
1 265315-4 1
2 224275-9 1
3 224265-2 1
4 ** 1
5 254001-2 1
6 285809-3 1
7 211251-2 1
8 961201-4 1
9 315964-8 1
10 231775-2 1
11 911231-5 3
12 322063-9 1
13 922311-2 1
14 263002-9 1
15 *** 1
17 *** 1
16 961056-7 1
18 257613-0 1
19 152309-7 1
20 922341-3 3
21 262501-8 1
22 251350-8 1
23 812166-2 1
24 953106-2 2
26 941102-2 4
27 922251-4 4
28 643650-4 2
29 643154-6 1
30 157743-6 1
31 664265-4 1
32 682505-8 1
33 687001-1 1
34 911133-5 2
36 410883-4 1
37 263002-9 1
38 651046-5 1
39 421279-4 1
40 911148-2 4
41 922216-6 2
42 941102-2 2
43 162130-6 1
44 343405-4 1
45 911111-5 1
HEX BOLT M8X20
OUTER FLANGE
INNER FLANGE 40
SPINDLE
WOODRUFF KEY 4
BEARING RETAINER
BALL BEARING 6003LLB
SAFETY COVER
TENSION SPRING 4
PAN HEAD SCREW M5X20
BEARING BOX
HEX BOLT M6X12
RUBBER PIN 4
BALL BEARING 62OOLLB
HYPOIDGEAR
SLEEVE 16
BLADE CASE
HEX BOLT M6X25
RUBBER SLEEVE 6
SCREW M6X28
INDICATIONLABEL
FLAT WASHER 5
HEX BOLT M5X30
BRUSH CAP
MOTOR HOUSING (Includes:
2 ea. Brush Holder 643653-8)
POWER SUPPLY CORD
CORD GUARD
STRAIN RELIEF
PAN HEAD SCREW M4X18
HANDLE COVER
RUBBERPIN 4
SWITCH
DUSTCOVER
PAN HEAD SCREW M4X25
HEX SOCKET HEAD BOLT M5X14
FLAT WASHER
5
SIDE GRIP
LEVER
PAN HEAD SCREW M4X10
RETAINING RING S-42
RETAINING RING S-16
RIVET 0-5
CARBON BRUSH (CB-154)
46 231928-3 1
47 256633-1 1
48 231240-1 1
49 961057-5 1
50 *** 1
51 *** 1
52 211278-2 1
53 251343-5 3
55 *** 1
56 681625-5 1
57 211033-2 1
58 410916-5 1
59 911290-9 2
60 624811-5 1
61 941201-0
62 168163-9
63 924206-5
64 251918-0
65 265882-9
66 941201-0
67
68
*
*
69 343458-3
70 931402-8
71 911106-8
72 951228-2
73 921447-4
74 343458-3
75 343357-9
76 941201-0
77 941201-0
78 911106-8
- 042012-A
ACCESSORlES
400 164095-8
401 782016-4
402 792446-1
403 191686-2
1
404 182240-3 1
RING SPRING 8
PIN 6
COMPRESSION SPRING 7
GEAR HOUSING
SEAL RING 17
BALL BEARING 6203DDW
SCREW M5X12 (Includes
Washer 253811-4)
ARMATUREASSEMBLY
(Includes
fig. 56, 57)
INSULATIONWASHER
BALL BEARING 608LB
BAFFLE PLATE
PAN HEAD SCREW M5X65
FIELD ASSEMBLY (2 ea
Garter Spring 654020-2)
FLAT WASHER 8
BASE
WING BOLT M5X10
BOLT M8X24
SCREW M5X12
FLAT WASHER 8
FLAT WASHER 8
LEVER PLATE
LOCK PLATE
HEXNUT M8
PAN HEAD SCREW M4X8
HEX BOLT M8X28
LOCK PLATE
LEVER PLATE
FLAT WASHER 8
FLAT WASHER 8
PAN HEAD SCREW M4X8
HYPOIDGEAR GREASE
RETAINING RING S-17
SPRING PIN6-45
GUIDE RULE
OFFSET WRENCH 13
COMBINATIONSAW BLADE 185
SAFETY GOGGLES
STEEL TOOL CASE
SEE SERVICE CHANGE1
** SEE SERVICE CHANGE 2
*** SEE SERVICE CHANGE 3
2 MODEL 50778
1 -94

SERVICE CHANGE
1) Change on Lever Plate.
r
Fig. Description Type 1 Type 2
2 Outer Flanqe Part #224152-5 Part #224275-9
4
Spindle Part #322062-1 part #322302-7
(Discontinued)
-
I 67 I Flat Washer 8 I Part #941201-0 I Part #941202-8 I
68 Lever Plate Dart #343357-9 Part #343527-0
The above parts are completely interchangeable as a set.
SERVICE CHANGE
2) Change on Outer Flange and Spind-lefrom June 1989 production.
Type 1 Type 2
b No Marking
6.
5"
-?-
Marking Line
for Identificati
on
The above parts are completely interchangeable as a set; except
the Tyge 2 Outer Flange fits both the Type 1 and Type 2 Spindle.
3 MODEL 50778
1-94

SERVICE CHANGE
- FIG.
15
17
50
51
55
3) Change on the Armature and the Hypoid Gear staring from Serial Number 240,934E.
TYPE 2
DESCRIPTION TYPE 1
Ball Bearing Part
# 211061-7
Hypoid Gear Part
#' 221376-4 Part # 221396-8
Gear Housing Part
# 157729-0 Part # 159559-5
Part # 322474-8
Seal Ring 17
Armature Part
# 614866-8 Part # 5149964
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")
46 Teeth 36Teeth
Hole for Seating Bearing, Fig. 15
1-3/16" (30mm)
1-1 /64" (26")
REPAIR NOTE
Type 1 Gear Housing can be modified toType 2 Gear Housing by inserting Ring 26 (part # 257179-0) 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