Owners manual
30
31
TROUBLE SHOOTING
SYMPTOM POSSIBLE CAUSE
Chain saw fails to operate
No power
Mains socket faulty
Extension cord damaged
Check power
Use another socket
Check cord, replace
Chain saw operates
intermittently
Extension cord damaged
Loose connection
Internal wiring defective
On/Off defective
Check cord, replace
Contact service agent
Contact service agent
Contact service agent
Dry chain No oil in reservoir
Oil passage clogged
Clean cap
Clean oil passage outlet
Chain/chain bar overheats No oil in reservoir
Oil passage clogged
Chain is over tensioned
Dull chain
Clean cap
Clean oil passage outlet
Adjust locking knob
Sharpen chain or replace
Chain saw rips, vibrates,
does not saw properly
Chain tension too loose
Dull chain
Chain worn out
Chain teeth are facing in the
wrong direction
Adjust locking knob
Sharpen chain or replace
Replace chain
Reassemble with chain in
correct direction
Vent in oil filler cap clogged
Refill oil
Refill oil
Vent in oil filler cap clogged
The following table gives checks and actions that you can perform if your machine does not
operate correctly. If these do not identify/remedy the problem, contact your service agent.
WARNING: Switch off and remove plug from mains before investigating fault.
PARTS LIST
The model number will be found on the nameplate of the Pole Saw/Chain Saw.
Always mention the model number when requesting parts and service
for your tool.
To order parts, call 1-800-469-4663
Parts No. Part Description Qty.
Position No.
GCS250U-1
GCS250U-2
GCS250U-3
GCS250U-5
GCS250U-6
GCS250U-7
GCS250U-8
GCS250U-9
GCS250U-11
GCS250U-12
GCS250U-13
GCS250U-15
GCS250U-16
GCS250U-20
GCS250U-22
GCS250U-23
GCS250U-24
GCS250U-26
GCS250U-28
GCS250U-29
GCS250U-30
GCS250U-31
GCS250U-32
GCS250U-33
GCS250U-34
GCS250U-35
GCS250U-36
1
2
3
5
6
7
8
9
11
12
13
15
16
20
22
23
24
26
28
29
30
31
32
33
34
35
36
Protect Plate
Self tapping screw
Motor Cover
Tortile spring
Carbon Brush(pair)
Rear bracket
Stator
Left Housing
Bearing
Rotor
Ring
Oil Exit
Front Bracket Body
Tighten Bolt
Pinion
Washer
Retaining Ring
Oil Bottle Cap
Duck Bill
Oil Bottle
Big Gear
Bearing
Washer
Bar Spacer
Self Tapping Screw
E-ring
Self Tapping Screw
1
15
1
2
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
2
1
1
3
1
1
Parts No. Part Description Qty.
Position No.
GCS250U-37
GCS250U-38
GCS250U-39
GCS250U-40
GCS250U-41
GCS250U-42
GCS250U-43
GCS250U-44
GCS250U-45
GCS250U-46
GCS250U-47
GCS250U-48
GCS250U-49
GCS250U-50
GCS250U-51
GCS250U-52
GCS250U-53
GCS250U-54
GCS250U-56
GCS250U-57
GCS250U-58
GCS250U-59
GCS250U-60
GCS250U-61
GCS250U-62
GCS250U-63
GCS250U-64
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
56
57
58
59
60
61
62
63
64
Guide Bar
Right Housing
Press Block
Saw Chain
Retaining Ring
Bush
Cam
self tapping screw
Flange
Chain Guard
Compression Spring
Tension Wheel
Bolt
Knob Body
Inner Wire
Inner Wire
Micro Piece
Cord & Plug
Blade Sheath
Switch
Bearing sleeve
self tapping screw
Self Tapping Screw
Washer
Ball Bearing
Spring washer
Washer
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
2
1
1
1
1
2
2
1
1
2
2
Model No. 172.43983 10-In. Bar
9 Amp/1.5 Peak HP Motor
Electric
Adjustable Pole Saw/Chain Saw