jcb JCB-CS38 Safety And Operating Manual Original Instructions
Important! It is essential that you read the instructions in this manual before assembling,
maintaining and operating this machine.
Subject to technical modifications.
Keep the instruction for future reference.
SL7 1TB
Customer Helpline 0845 600 5526 Monday to Friday 09.00 to 17.00
www.JCBdiy.com
SAFETY AND OPERATING MANUAL
ORIGINAL INSTRUCTIONS
CHAINSAW
JCB-CS38
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SL7 1TB
Customer Helpline 0845 600 5526 Monday to Friday 09.00 to 17.00
www.JCBdiy.com
GENERAL SAFETY RULES
INTENDED USE
The chainsaw is designed for cutting branches, trunks, logs and beams. It is only
designed to cut wood and to be used outdoors.
Do not use the chainsaw for other purposes not listed above.The chainsaw is not to
be used for professional tree services. It is not to be used by children or by persons
not wearing adequate personal protective equipment and clothing.
For safe operation, read and understand all instructions before using the chainsaw.
Follow all safety instructions. Failure to follow all safety instructions listed below can
result in serious personal injury.
Know your tool. Read the operator’s manual carefully. Learn the saw’s
applications and limitations as well as the specific potential hazards related to the
tool. We recommend you attend a professional training course to increase your
awareness and proficiency in all chainsaw operations.
Kickback may occur when the nose or tip of the guide bar touches an object, or
when the wood closes in and pinches the saw chain in the cut. Tip contact in some
cases may cause a lightning-fast reverse reaction, kicking the guide bar up and
back toward the operator. Pinching the saw chain along the top of the guide bar
may push the guide bar rapidly back toward the operator. Either of these reactions
may cause you to lose control of the saw, which could result in serious personal
injury. Do not rely exclusively upon the safety devices built into the saw. As a
chainsaw user, you should take every step to keep your cutting jobs free from
accident and injury.
With a basic understanding of kickback, you can reduce or eliminate the element
of surprise. Sudden surprise contributes to accidents.
Keep a good firm grip on the saw with both hands when the engine is running.
Place your right hand on the rear handle and your left hand on the front handle with
your thumbs and fingers encircling the chainsaw handles. A firm grip together with
a stiff left arm will help you maintain control of the saw if kickback occurs.
Make sure that the area in which you are cutting is free from obstructions. Do not
let the nose of the guide bar contact a log, branch, fence or any other obstruction
that could be hit while you are operating the saw.
Always cut with the engine running at full speed. Fully squeeze the throttle trigger
and maintain a steady cutting speed.
Do not overreach or cut above chest height.
Follow the manufacturer’s sharpening and maintenance instructions for the saw
chain.
Only use replacement bars and chains specified by the manufacturer or the
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SL7 1TB
Customer Helpline 0845 600 5526 Monday to Friday 09.00 to 17.00
www.JCBdiy.com
equivalent.
Do not operate a chainsaw with one hand. Serious injury to the operator, helpers,
bystanders may result from one-handed operation. A chainsaw is intended for twohanded use.
Do not operate a chainsaw when you are exhausted. Fatigue causes
carelessness. Be more cautious before rest periods and towards the end of your
shift. Never operate a chainsaw when under the influence of medication, drugs or
alcohol.
Use safety footwear. Do not wear loose clothing. Wear protective gloves and
clothing, and eye, hearing and head protection devices.
Heavy protective clothing may increase operator fatigue, which could lead to
heat stroke. During hot and humid weather, heavy work should be scheduled for
early morning or late afternoon hours when temperatures are cooler.
Do not stand on any unstable surface while using the chainsaw, such as ladders,
scaffolds, trees, etc. Always keep a sound and firm footing.
Use caution when handling fuel. Move the chainsaw at least 10 m from the fuelling
point before starting the engine.
Do not allow other persons to be near the chainsaw when starting or cutting
with the chainsaw. Keep bystanders and animals out of the work area.
Do not start cutting until you have a clear work area, secure footing and a
planned retreat path from the falling tree.
Keep all parts of your body away from the saw chain when the engine is running.
Always carry the chainsaw with the engine stopped and the brake engaged,
the guide bar and saw chain to the rear and the silencer away from your body. When
transporting the chainsaw, use the appropriate guide bar scabbard.
Do not operate a chainsaw that is damaged, improperly adjusted or not completely
and securely assembled. Be sure that the saw chain stops moving when the throttle
control trigger is released.
Shut off the engine before setting the chainsaw down. Do not leave the engine
running unattended. As an additional safety precaution, apply the chain brake prior
to setting down the saw.
Use extreme caution when cutting small-size brush and saplings because
slender material may catch the saw chain and be whipped toward you or pull you
off balance.
When cutting a limb that is under tension, be alert for spring back so that you will
not be struck when the tension in the wood fibres is released.
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SL7 1TB
Customer Helpline 0845 600 5526 Monday to Friday 09.00 to 17.00
www.JCBdiy.com
Keep the handles dry, clean, and free of lubricant or fuel mixture.
Beware of carbon monoxide poisoning. Operate the chainsaw only in well-
ventilated areas.
Do not climb a tree to use the chainsaw, unless you have been specifically
trained to do so.
Do not operate the chainsaw from a ladder; this is extremely dangerous.
All chainsaw service, other than the items listed in the instruction manual and all
maintenance should be performed by competent chainsaw service personnel. (For
example, if improper tools are used to remove the flywheel or if an improper tool
is used to hold the flywheel in order to remove the clutch, structural damage to the
flywheel could occur and subsequently could cause the flywheel to burst.)
Always have a fire extinguisher available when using a chainsaw.
Use only the replacement guide bars and low kickback chains specified for
the saw.
Do not adapt the powerhead to a bow guide or use it to power any attachments
or devices not listed for the saw.
The petrol-powered saw is intended for infrequent use by homeowners, cottagers
and campers, and for such general applications as clearing, pruning, cutting
firewood, etc. It is not intended for prolonged use. Prolonged periods of operation
can cause circulatory (white finger) problems in the user’s hands due to vibration.
For such use, it may be appropriate to use a saw having an anti-vibration feature.
Save these instructions. Refer to them frequently and use to instruct other users.
If you loan someone the tool, loan them these instructions also.
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SL7 1TB
Customer Helpline 0845 600 5526 Monday to Friday 09.00 to 17.00
www.JCBdiy.com
ADDITIONAL SAFETY RULES FOR YOUR CHAINSAW
Do not cut vines and/or small underbrush (a diameter of less than 3 in.).
Silencer surfaces are very hot during and immediately after operation of the
chainsaw; keep all body parts away from the silencer. Serious burns may occur if
contact is made with the silencer.
Always hold the chainsaw with both hands when the engine is running. Use
a firm grip with thumbs and fingers encircling the chainsaw handles.
Never let anyone use the chainsaw who has not received adequate
instructions in its proper use. This applies to rentals as well as privately-owned
saws.
Before you start the engine, make sure the saw chain is not contacting any
object.
Wear snug-fitting clothing. Always wear heavy, long trousers, boots and gloves.
Do not wear jewellery, shorts, sandals or go barefoot. Loose clothing could be
drawn into the engine or catch the chain or underbrush. Wear overalls, jeans or
chaps made of cut-resistant material or that contain cut-resistant inserts. Secure
hair so that it is above shoulder length.
WARNING
Wear safety clothing which is designed for chainsaw operators.
Wear non-slip safety footwear and heavy-duty gloves to improve your grip and
to protect your hands.
Wear eye protection which is marked to comply with BS EN166, as well as
hearing and head protection, when operating this equipment.
Keep bystanders and animals out of the work area. Do not allow other persons
to be nearby during starting or cutting with the chainsaw.
Note: The size of the work area depends on the job being performed as well as
the size of the tree or work piece involved. For example, felling a tree requires a
larger work area than making other cuts (i.e. bucking cuts, etc.).
Follow the sharpening and maintenance instructions for the saw chain.
Never operate a chainsaw that is damaged, improperly adjusted or has been
modified (particularly guards or safety devices), or is not completely and
securely assembled. Be sure that the saw chain stops moving when the throttle
control trigger is released. If the saw chain moves at idle speed, the carburettor
may need adjusting. If the saw chain still moves at idle speed after adjustment has
been made, contact an authorized service centre for adjustment and discontinue
use until the repair is made.
Do not smoke during refueling.
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SL7 1TB
Customer Helpline 0845 600 5526 Monday to Friday 09.00 to 17.00
www.JCBdiy.com
To reduce the risk of fire and burn injury, handle fuel with care. It is highly
flammable.
Mix and store fuel in a container approved for petrol.
Mix fuel outdoors where there are no risks from sparks or flames.
Select bare ground, stop the engine, and allow it to cool before refuelling.
Loosen the fuel cap slowly to release any pressure and to keep fuel from escaping
around the cap.
Tighten the fuel cap securely after refuelling.
Wipe spilled fuel from the unit. Move 10 m away from refuelling site before starting
engine.
NEVER attempt to burn off spilled fuel under any circumstances.
The product is very noisy when operating. To prevent long term hearing damage,
wear hearing protection and keep other persons at least 15 m away from the work
area. Operating similar tools nearby increases risk of injury.
Use of hearing protection reduces the ability to hear warnings (shouts or alarms). The
operator must pay extra attention to what is happening around the work area.
Kickback is a dangerous reaction that can lead to serious injury. Do not rely
only on the safety devices provided with the saw. As a chainsaw user, you must take
special safety precautions to help keep your cutting jobs free from accident or injury.
Additional risks
Even when using the chainsaw as intended, there still remains additional risk of harm
which cannot be fully prevented. The following list of potential hazards should be read
and understood. You should pay extra attention and care to these items to reduce the
risk of injury.
Contact with exposed cutting teeth and saw chain.
Access to rotating parts (the saw chain).
Unexpected, abrupt movement (kickback) of the guide bar.
Flying chain parts (thrown off or broken).
Flying material (cut from the work piece).
Inhalation of saw dust and particles or emissions from the petrol engine.
Skin contact with petrol / oil.
Loss of hearing if no hearing protective equipment is worn during use.
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SL7 1TB
Customer Helpline 0845 600 5526 Monday to Friday 09.00 to 17.00
www.JCBdiy.com
SYMBOLS
Thank you for your purchase.
The chainsaw has been engineered and manufactured to a high standard for
dependability, ease of operation, and operator safety. If properly cared for, it will give
years of rugged, trouble-free performance.
Important: Some of the following symbols may be used on the tool. Please learn
the meaning. Proper interpretation of the symbols will allow better and safer operation of the tool.
Indicates danger, warning or caution. It means “Attention! Your safety is
involved.”
Read the operation manual and follow all warnings and safety
instructions.
Wear eye, ear and head protection.
Do not smoke.
Hold and operate properly with both hands.
Do not operate with one hand only.
Engines produce carbon monoxide which is odorless and poisonous. Do
not operate in enclosed area.
Beware of kickback.
Avoid bar nose contact.
Wear non-slip, heavy-duty protective gloves when handling the saw.
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SL7 1TB
Customer Helpline 0845 600 5526 Monday to Friday 09.00 to 17.00
www.JCBdiy.com
Use unleaded petrol intended for motor vehicle use with an octane rating
of 91 ([R+M]/2) or higher. The product is powered by 2-stroke cycle
engine and requires pre-mixing petrol and 2-stroke lubricant.
Keep all bystanders and animals at least 15 m away.
Add bar and chain oil each time you add fuel to the saw.
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SL7 1TB
Customer Helpline 0845 600 5526 Monday to Friday 09.00 to 17.00
www.JCBdiy.com
TECHNICAL DATA
SPECIFICATIONS
Weight - no bar, chain, fuel [kg or (lb)] 4.7 or (10.36)
Weight - with bar and chain, no fuel [kg or (lb)] 5.4 or (11.90)
Fuel tank volume [cm
3
or (L)] 340 or (0.34)
Lubricant tank volume [cm
3
or (L)] 192 or (0.192)
Bar length [cm or (inch)] 40 or (16)
Usable cutting length [cm or (inch)] 37 or (14.57)
Chain pitch [mm or (inch)] 9.53 or (0.375)
Chain gauge [mm or (inch)] 1.27 or (0.05)
Chain type 3/8" low profi le full
complement
Drive sprocket 6 teeth x 3/8"
Engine displacement [cm
3
or (L)] 42 or (0.042)
Maximum engine power (ISO 7293) (kW) 1.7
Maximum engine speed with attachment (r/min) 11,000
Maximum engine speed with attachment (r/min) (reference) 12,500
Idling engine speed (r/min) 2,600-3,600
Specifi c fuel consumption at maximum engine power [g/
kW.h or (L/kW.h)]
426 or (0.587)
NOISE INFORMATION (ISO 22868)
Sound pressure level LpAav:101dB(A),
KpA=3 dB(A)
Sound power level dB(A) 112
VIBRATION INFORMATION (ISO 22867)
Front handle Carlton / Oregon
8.2 m/s2, K=1.5
Rear handle Carlton / Oregon
7.7 m/s2, K=1.5
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SL7 1TB
Customer Helpline 0845 600 5526 Monday to Friday 09.00 to 17.00
www.JCBdiy.com
BAR AND CHAIN
(Carlton guide bar only use with Carlton saw chain; Oregon guide bar only use with
Oregon saw chain)
Guide bar (Carlton)
Carlton part number
Colour
16-10W-N156-MHC
Black
Chain (Carlton)
Carlton part number N1C-BL-56E B
Guide bar (Oregon)
Oregon part number
Colour
160 SDEA 041
Black
Chain (Oregon)
Oregon part number 91P-56P
CERTIFICATION / COMPLIANCE
Full CE approval includes:
Safety
EMC
Noise
Vibration
Yes
Yes
Yes
Yes
Emission compliance EU stage 2
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SL7 1TB
Customer Helpline 0845 600 5526 Monday to Friday 09.00 to 17.00
www.JCBdiy.com
COMPONENT LIST AND ASSEMBL Y
1. Starter grip
2. Trigger release
3. Throttle trigger
4. Starter housing
5. Chain lubricant cap
6. Rear handle
7. Engine cover
8. Front handle
9. Front hand guard/chain brake
10. Clutch cover
11. Chain tension dial
12. Clutch cover lock knob
13. Primer bulb
14. Ignition switch
15. Choke lever
16. Fuel cap
17. Flats on drive links
18. Brake position - chainsaw brake
19. Run position - chainsaw brake
20. Silencer
21. Start position
22. Run position
23. Kickbar danger zone
24. Clean the chain brake
25. Idle speed screw “T”
26. Pull
27. Push
28. Rotational kickback
29. Proper hand grip position
30. Improper grip
31. Proper grip
32. Chain line
33. Thumbs on underside of handle bar
34. Straight arm
35. Planned line of fall
36. 135 degree from planned line of fall
37. Path of safe retreat
38. Hinge - 5 cm or 1/10 diameter
39. Back cut
40. Notch approximately 1/3 diameter of
the trunk
41. Hinge
42. Wedge
43. Vertical cut
44. Lodge section
45. Horizontal cut
46. Kickback
47. Log supported at one end
48. Finishing cut
49. Load
50. 1st cut 1/3 diameter
51. Log supported at both ends
52. Overbucking
53. Underbucking
54. Second cut
55. Cut limbs one at a time and leave
support limbs under tree until log is
cut
56. Springpole
57. Chain drive links
58. Cutters
59. Chain rotation
60. Bar groove
61. Adjusting pin
62. Chain tension pin hole
63. Sprocket
64. Rotate clutch cover knob clockwise
to secure
65. Loosen chain
66. Tighten chain
67. Raker (depth gauge) clearance
68. Inspect drive sprocket
69. Gullet
70. Heel
71. Rivet hole
72. Top plate
73. Cutting corner
74. Side plate
COMPONENT LIST
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SL7 1TB
Customer Helpline 0845 600 5526 Monday to Friday 09.00 to 17.00
www.JCBdiy.com
ASSEMBLY
Packing list
Chainsaw
Scabbard
Combination wrench
2-cycle engine lubricant
Gift box
Operator’s manual
Unpacking
Carefully remove the product and any accessories from the box. Make sure that
all items listed in the packing list are included.
Inspect the product carefully to make sure no breakage or damage occurred
during shipping.
Do not discard the packing material until you have carefully inspected and
satisfactorily operated the product.
If any parts are damaged or missing, please call your service centre for assistance.
Note: The chainsaw has been factory tested. It is normal to find some slight lubri-
cant residue on the saw.
75. Depth gauge
76. Toe
77. Left hand cutters
78. Right hand cutters
79. Top plate filing angle
80. Correct
81. Less than 30 degree
82. More than 30 degree
83. Incorrect
84. Side plate filing angle
85. Hook
86. Backward slope
87. Depth gauge jointer
88. Flat file
89. Restore original shape by rounding
the front
90. Lubricating hole
91. Air filter
92. Chain brake
93. Post
94. Starter cover
95. Clean engine fins
96. Clean flywheel fins
97. Fuel filter
98. Deflector
99. Deflector retaining nut
100. Spark arrestor
101. Bumper spike bar
102. Bolt & nut
103. Gasket
104. T25 T orx Screwdriver
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