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7. TROUBLESHOOTING
Problem
Engine fails to start
Engine runs
Erratically
Engine overheats
Chipping action too slow,
or cutting disk stalls, or
no material is discharged
The belt frays or
Rolls over the pulley
Vibrate and move about
excessively with unusual
noise when working
Chipper Knives
Are hitting the
Wear plate
ENVIRONMENT PROTECTION
Recycle unwanted materials instead of disposing of them as waste. All tools, accessories and packaging should be sorted, taken to
a recycling centre and disposed of in a manner which is compatible with the environment. When the product becomes completely
unserviceable and requires disposal, drain any fluids (if applicable) into approved containers and dispose of the product and fluids
according to local regulations.
Note: It is our policy to continually improve products and as such we reserve the right to alter data, specifications and component parts
without prior notice.
Important: No Liability is accepted for incorrect use of this product.
Warranty: Guarantee is 12 months from purchase date, proof of which is required for any claim.
Sealey Group, Kempson Way, Suffolk Business Park, Bury St Edmunds, Suffolk. IP32 7AR
01284 757500
© Jack Sealey Limited
Cause
Spark plug wire disconnected
Out of fuel or stale fuel
Fuel valve not in ON position
Choke lever not in CLOSE position
Blocked fuel line
Fouled spark plug
Engine flooding
Spark plug wire loose
Unit running with Choke lever in CLOSE position
Blocked fuel line or stale fuel
Vent plugged
Water or dirt in fuel system
Dirty air cleaner
Improper carburettor adjustment
Engine oil level low
Dirty air cleaner
Air flow restricted
Carburettor not adjusted properly
The engine speed is too slow causing belt to slip
Drive Belt loose or damaged
Knives dull or damaged
Cutting disk jammed by debris from the feed hopper and
discharge chute
Discharge chute clogged
The rotor drive pulley groove may be nicked
The drive belts may be stretched
The pulleys may be misaligned
Knives dull or damaged
Knives is not properly seated on the cutting disk
The gap between the knives and wear plate is too large
Rotor overloaded with material
The gap between the knives and wear plate is set
incorrectly.
sales@sealey.co.uk
Original Language Version
Remedy
Attach spark plug wire securely to spark
plug
Fill with clean, fresh gasoline
Fuel valve must be in ON position
Choke level must be in CLOSE position for
a cold start
Clean the fuel line
Clean, adjust gap, or replace
Wait a few minutes to restart, but do not
prime
Connect and tighten spark plug wire
Move choke lever to OPEN position
Clean fuel line. Fill tank with clean, fresh
gasoline
Clear vent
Drain fuel tank. Refill with fresh fuel
Clean or replace air cleaner
Refer to Engine Manual
Fill crankcase with correct oil
Clean air cleaner
Remove housing and clean
Refer to Engine Manual
Run the engine at full throttle
Tighten or replace drive belt
Sharpen or replace knives
Remove any built-up debris and turn cutting
disk with a wooden stick to be sure it turns
freely
Clean out debris
Check the drive belts for wear and hard
spots. File off any nicks on the pulley
Replace the drive belts
Adjust the pulleys
Sharpen or replace knives
Loosen the knives mounting screws, reset
the knives and tighten the screws
Adjust the gap
Allow unit to clear itself before adding more
material to the hopper
Adjust the gap.
www.sealey.co.uk
SWC420
Issue 1
REGISTER YOUR
PURCHASE HERE
07/11/23
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