3
Service and Repair Manual
Model
840M
FIG.
PART NO.
DESCRIPTION
NO. REQ.
1
9170 4650 00
Ball Bearing
(1)
3
9170 4660 90
Fan
(1)
4
9170 4672 80
Vent Kit
(1)
8
9170 3253 10
Pivot Nut
(1)
10
9170 3252 90
Pivot Bolt
(1)
11
9170 4650 90
K50 x 8mm Pan Hd. Plastite Screw
(1)
12
9170 4651 00
K35 x 8mm Pan Hd. Plastite Screw
(1)
13
9170 4651 10
K60 x 20mm Pan Hd. Plastite Screw
(2)
14
9170 4651 20
K60 x 40mm Pan Hd. Plastite Screw
(2)
15
9170 4651 30
K50 x 30mm Pan Hd. PT-DG Screw
(2)
16
9170 4651 40
K60 x 18mm Pan Hd. PT-DG Screw
(2)
17
9170 4651 50
K60 x 120mm Pan Hd. PT-DG Screw
(2)
22
9170 3253 90
Pan Hd. Cap Screw
(2)
23
9170 4652 00
Slotted Plastite Torx Screw
(2)
26
9170 3252 50
K50 x 18mm Pan Hd. Plastite Screw
(4)
27
9170 4666 00
Thumbwheel
(1)
28
9170 4665 90
Service Nameplate Kit
(1)
29
9170 4665 10
Electronics Assembly
(1)
30
9170 4653 40
Armature Kit (See Service Note)
(1)
31
9170 4653 60
Field
(1)
32
9170 4653 90
Brush Card Assembly
(1)
33
9170 3253 80
Cord Protector
(1)
34
9170 4665 30
Cord Set
(1)
35
9170 4654 50
Switch
(1)
37
9170 4654 60
Crankcase Assembly
(1)
40
9170 3253 50
Cord Clamp
(1)
41
9170 4665 60
Cord Clamp
(1)
42
9170 4655 00
Upper Handle Mount
(1)
46
9170 4655 30
Module Cover
(1)
47
9170 4655 40
Motor Cover
(1)
50
9170 4655 80
Left Handle Half
(1)
51
9170 4656 00
Right Handle Half
(1)
52
9170 4656 20
Motor Housing
(1)
53
9170 4656 40
Rear Shroud
(1)
63
9170 4672 80
Vent Kit
(1)
66
9170 4657 80
O-Ring
(2)
86
9170 4673 20
Bearing Cup
(1)
%
SEE PAGE 5 FOR
ADDITIONAL
LUBRICATION AND
SERVICE NOTES
●
Armature Service Note:
When servicing the armature,
use Armature Kit No. 9170 4653 40.
If the tool has a spacer in the armature
bearing bore of the gearcase, remove the
spacer and install O-Ring No. 9170 4673 00 into
the empty groove. The O-Ring is provided in the kit.
(See Note)
EXAMPLE:
Component Parts (Small #)
Are Included When Ordering
The Assembly (Large #).
0
00
FIG.
PART NO.
DESCRIPTION OF PART
NO. REQ.
92
9170 4653 80
Carbon Brush Kit (Includes 2 Brushes) (1)
93
9170 4666 10
Brush Spring
(2)
94
9170 4660 80
Bellows
(1)
95
9170 3254 30
Isolation Module Assembly
(1)
96
9170 4654 90
Light Pipe
(1)
100 9170 4661 40
Cushion Grip
(1)
122 9170 3254 00
Rubber Washer
(2)
123 9170 4662 80
Handle Seal
(1)