Service Manuals, User Guides, Schematic Diagrams or docs for : MAKITA 9911-TE
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T ECHNICAL INFORMATION
Models No. 9911
New Tool
Description 76mm Belt Sander
CONCEPTION AND MAIN APPLICATIONS
Model 9910/9911 are new compact belt sanders using
76mm x 457mm(3"x18") abrasive belt. Their brief benefits are;
Highest capacity at sanding and dust-collection among the same
class sanders.
*Variable speed control by dial for operator's needs
141 (5-1/2")
(Model 9911 only)
26
2(
10
-3/
8") ")
5-1/4
2(
13
Specifications
Continuous Rating (W) Max.
Voltage (V) Current (A) Cycle (Hz)
Input Output Output(W)
100 6.8 50/60 650 200 640
120 5.6 50/60 650 200 640
220 3.0 50/60 650 200 640
230 3.0 50/60 650 200 640
240 2.9 50/60 650 200 640
Belt speed 9910 270m/min (900ft/min)
9911 75-270m/min (250-900ft/min)
Belt size 76mm(3") x 457mm(18")
Net weight 2.6Kg(5.7lbs)
Cord length 2.5m(8.2ft)
Standard equipment
Dust Bag ------------------------------1 pc.
Abrasive Belt AA80-----------------1 pc. (Model 9910)
Abrasive Belt AA60, 100,150 -----1 pc. (Model 9911)
The standard equipment may differ from country to country.
Optional accessories
Abrasive Belt AA40, 60,80, 100,150,180,240
Clamp Complete
Hose Complete 28-1.5
Hose Complete 28-3.0
Features and benefits
1. Double insulated
2. See the sheets attached for more information.
The standard equipment for the tools shown may differ from country to country.
Very quiet
Highest capacity
at sanding
Variable speed control by dial
for operator needs
(Model 9911 only)
Convenient design Self tracking system
for flush sanding Abrasive belt always runs on the right position
without adjusting.
Flat top
Tool can be attached to the table
by Clamp Complete(optional accessory).
Clamp Complate
Repair Housing R
(1) Replacing of armature
1) Loosen the tapping screw PT4 x25 for mounting the
housing R to remove the housing R, and the fan 60 for
cooling the motor will be exposed.
2) Loosen the tapping screw PT4 x25 for mounting the belt
cover to remove the belt cover.
3) Disconnect the holder cap and then remove the carbon Fan 60
Tapping screw
brush. PT4x25(7 pieces)
4) Remove the synchro belt 6-300 and steel plate.
Tapping screw
PT4x25(4 pieces) Belt cover
Fan 68
5) Turn the fan 68 in clock wise direction to remove Scroll plate
it while fixing the fan 60 for cooling the motor.
(Note) Since the fan 68 is mounted with anti-clock wise
screw, turn in clock wise to remove.
Carbon brush
Steel plate
6) Remove the scroll plate.
Synchro belt 6-300
Holder cap
7) Use the resin hammer to slightly hammer the armature shaft from the commutator side to
disconnect the armature.
(2) Disassembling of gear
1) In the same manner as replacing of armature, remove the housing R, belt cover and synchro belt 6-300.
2) Remove the shoe, and the driving roller will be exposed. Bracket
Driving roller
3) Use the spanner 10 to fix the hexagon point of pulley
8.5-45.1 and turn the driving roller in the direction
whereby anti-clock wise screw can be loosened, and
Ball bearing 626
either of the pulley 8.5-45.1 or driving roller is
loosened and then removed.
Pulley 8.5-45.1
Hexagon point
Spanner 10
4-A) If the pulley 8.5-45.1 has been successfully removed,
Driving roller
A-a) Loosen the 4 pieces of tapping screw PT4x25 for
mounting the bracket to remove the bracket.
A-b) Insert the lock nut wrench 20 through the two Ball bearing 626
holes on the helical gear 31, fix the helical gear Lock nut
31, and then turn the driving roller in a direction wrench 20
Two holes on the
whereby the left-handed screw can be loosened. helical gear 31
A-c) If the ball bearing 626 and driving roller have been successfully removed, use the resin hammer to
slightly hammer the helical gear 31 complete from the direction of ball bearing 626 mounting side to
remove the helical gear 31 complete.
4-B) If the driving roller has been loosened and successfully removed along with the ball bearing 626,
B-a) Set the spanner 10 on the hexagon point of pulley 8.5-
45.1, insert the spanner 7 in the two faces on driving Driving shaft
shaft, and then turn them in the direction whereby the Two faces
right-handed screw can be loosened, and the pulley
8.5-45.1 can be removed.
B-b) Loosen the 4 pieces of tapping screw PT4x25 for Pulley 8.5-45.1 Spanner 7
mounting the bracket to remove the bracket. Hexagon point
Spanner 10
B-c) Use the resin hammer to slightly hammer the helical gear 31 complete from the direction of ball
bearing 626 mounting side to remove the helical gear 31 complete.
Air gun
(3) Assembling of the rubber sleeve 29
1) Insert the rubber sleeve 29 into the outer circumference
of the driving roller by hands as far as possible. Rubber sleeve 29
2) Push the rubber sleeve 29 and insert it while floating the
rubber sleeve 29 by blowing the air into the clearance
between rubber sleeve 29 and driving roller using the air
gun. Driving roller
Circuit drawing
M990 Field
Switch
Cab tire cord Black
P1 3 2
Black
P2
Capasitor
9910
Field
Switch
Cab tire cord Black
P1 2 1
P2 4 3
Black
Capasitor
The condenser is not used in some areas.
9911
<100V area> Field
Switch
Cab tire cord Black Black
P1 3 2
Terminal
board
Black
P2
Yellow
Connector Blue
at closed end Heat slinger
Capasitor
Black
Field
Switch Controller
Cab tire cord Black Black
P1 2 1
1 2
P1 4 3
Controller
Black
Capasitor
The condenser is not used in some areas.
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