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T
ECHNICAL INFORMATION
Models No.
UC3510A
Description
300mm, 350mm, 400mm chain saw
CONCEPTION AND MAIN APPLICATIONS
These models are home use chain saws that correspond to the functions
Specifications
Continuous Rating (W)
Max.
Voltage (V)
220-240
Current (A)
7.0
Cycle (Hz)
50/60
Output(W)
Input
Output
1500
780
2000
Chain speed
800m/min.
Saw chain
Type
90SG
Standard equipment
Chain cover --------------------------- 1 pc.
Pitch
3/8"
Universal wrench -------------------- 1 pc.
Gauge
0.042"
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Repair
1. Replacement of carbon
1)Loosen three tapping screws 4x18 that fix front handle and remove front handle to replace the carbon.
2)Secure lead wires to the lead holder.
Tapping screw 4x18 (3 pcs.)
Carbon brush
Lead holders (4 locations)
2. Replacement of front hand guard
1)Put down front hand guard forward and replace it while actuating a kick-back brake.
2)Mount torsion spring 20 on the front hand guard as shown in the figure below.
3)Mount the front hand guard to the housing L at an angle as shown below. At this time hook the torsion spring to the
boss of the housing L.
Front hand guard
Housing L
Torsion spring 20
Hook here
3. Replacement of bearing
Replace bearing #6001LLB by using two flat head screwdrivers as shown below.
Flat head screwdriver
Bearing #6001LLB
Spur gear 55
Spindle
Bearing #608ZZ
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4. Replacement of oil pump complete
1)Loosen tapping screw 3.5x10 and remove holder.
2)Remove oil pump complete together with oil bezel.
3)Secure pipe 6 on the groove of the bearing holder and the pipe holder.
4)Insert flat washer 5 between bearing holder and spur gear 39.
Tapping screw 3.5x10
Oil pump
Holder
complete
Oil bezel
Flat washer 5
Groove
Bearing holder
Pipe holder
Pipe 6
5. Replacement of armature
1)Before replacement release kick-back brake by following the instruction manual.
2)Remove carbon by following the procedures of "1. Replacement of carbon."
3)When pulling out/putting on armature from/to bearing holder, hook a rod to the bearing holder and release the kick-
back brake.
Flat head screwdriver
4)Use two flat head screwdrivers to replace the bearing #6000LLB.
Rod
#6000LLB
Hook here
Bearing holder
6. Replacement of brake band
1)Release the brake as the same procedures as 5-1 above.
2)Before replacing the brake band, insert rink plate complete to the brake band hole and mount it on the bearing holder.
3)Confirm that the claws of the brake band and those of the brake ring are positioned as shown in the figure below.
Brake ring
Link plate complete
Brake band
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Wiring diagram
Orange
Sub-switch
Power supply cord
P1
Support complete
1
4
P2
Black
Noise
3
5
4
2
Black
White
suppressor
Mains switch
Black
Brush holder
(Rear handle side)
Brush holder
(Front handle side)
Details of wiring
Connect receptacle as shown in the figure.
Receptacle
Receptacle
Fix lead wires by the lead holders.
Contain noise suppressor as shown in the figure.
Noise suppressor
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