Zenoah G4501 Owner'S Manual Download Page 14

Page: 14 / 16

GB-14

G4501/G5201/G5201P

12. Troubleshooting Guide

Case 1. Starting failure

WARNING

• Make sure the icing prevention system is not working.

Case 2. Lack of power/Poor acceleration/

Rough idling

Case 3. Oil does not come out

If the unit seems to need further service, please consult

with an authorized service shop in your area.

13. Disposal

• When you dispose of the machine, do not disas-

semble the machine.

• When you dispose of the machine, fuel, chain oil,

be sure to follow your local regulations.

Check fuel for water

or substandard mix-

ture.

Check for engine

flooding.

Check spark ignition.

Replace with proper

fuel.

Remove and dry the

spark plug.

Then pull the starter

again with no choke.

Replace with a new

plug.

➡

Check fuel for water or

substandard mixture.

Check air filter and

fuel filter for clog-

ging.

Check carburetor for

inadequate adjust-

ment.

Replace with proper

fuel.

Clean.

Readjust speed nee-

dles.

➡

Check oil for substan-

dard quality.

Check oil passage

and ports for clog-

ging.

Replace.

Clean.

➡

of a cutter. If a gap is observed between them, the rail

is normal. Otherwise, the bar rail is worn. Such a bar

needs to be corrected or replaced.

WARNING

• This saw is equipped with one of the following low

kickback bar/chain combinations:

Model

Guide bar

Saw chain

Type

Part No.

Type

Part No.

G4501 18

″

Sprocket

nose

″

Hard nose

364652114

848CB58421

21BPX

848CC21B72-50

G5201/

G5201P

″

Sprocket

nose

″

Hard nose

297652102

848CB58421

21BPX

848CC21B72-50

WARNING

• Be sure to round off the front edge to reduce the

chance of kickback or tie-strap breakage.

Make sure every cutter has the same length and edge

angles as illustrated.

Cutter length

Filing angle

Side plate angle

Top plate cutting angle

■

Guide Bar

• Reverse the bar occasionally to prevent partial wear.

• The bar rail should always be square. Check for wear

of the bar rail. Apply a ruler to the bar and the outside

Ruler

Gap

No gap

Chain tilts

01-G4501･5201･5201P_GB_306＿四.indd 14

13.6.20 11:29:42 AM

Summary of Contents for G4501

Page 1: ...GB 1 G4501 G5201 G5201P G4501 G5201 G5201P G B OWNER S MANUAL CHAIN SAW Original Language 115 59 72 38 306 01 G4501 5201 5201P_GB_306 四 indd 1 13 6 20 11 29 33 AM ...

Page 2: ... 13 Guide Bar SAFETY FIRST Instructions contained in warnings within this manual marked with a symbol concern critical points which must be taken into consideration to prevent possible serious bodily injury and for this reason you are requested to read all such instructions care fully and follow them without fail NOTES ON TYPES OF WARNINGS IN THE MANUAL WARNING This mark indicates instructions whi...

Page 3: ...d min 1 G4501 13 500 G5201 14 500 G5201P 14 000 Idle speed min 1 G4501 2 500 G5201 2 500 G5201P 2 500 Noise at Operator s ear Racing G4501 105dB A G5201 107dB A G5201P 107dB A Specificatiotns are subject to change without notice 3 Warning labels on the machine 1 Read operator s manual be fore operation this machine 5 Warning Attention 2 Wear head eye and ear pro tection 6 Never touch hot surface 3...

Page 4: ...ned retreat path from the falling tree 9 Always hold the chain saw firmly with both hands when the engine is run ning Use a firm grip with thumb and fingers encircling the chain saw handles 10 Keep all parts of your body away from the saw chain when the engine is running 11 Before you start the engine make sure the saw chain is not contacting anything 12 Always carry the chain saw with the engine ...

Page 5: ...circling the chain saw han dles A firm grip will help you reduce kickback and maintain control of the saw 3 Make certain that the area in which you are cutting is free from obstruc tions Do not let the nose of the guide bar contact a log branch or any other obstruction which could be hit while you are operating the saw 4 Cut at high engine speeds 5 Do not overreach or cut above shoul der height 6 ...

Page 6: ...he direction of arrow the engine stops immediately Position Rear left of the unit d Choke will close when pulling the choke knob Position Choke knob Shows the directions that the chain brake is released white arrow and activated black ar row Position Front of the chain cover The screw at the left of the T stamp is the Idle adjustment screw Position Left side of the rear handle The screw under the ...

Page 7: ...over loose 8 Tighten the tensioner screw NOTE A new chain will expand its length in the beginning of use Check and readjust the tension frequently as a loose chain can easily derail or cause rapid wear of itself and the guide bar Open the box and install the guide bar and the saw chain on the power unit as follows WARNING The saw chain has very sharp edges Use thick protective gloves for safety 1 ...

Page 8: ...cessary for the engine to last long Be careful that if the agitation is insufficient there is an increased danger of early piston seizing due to ab normally lean mixture 5 Put a clear indication on the outside of the container to avoid mixing up with gasoline or other containers 6 Indicate the contents on outside of container for easy identification FUELING THE UNIT 1 Untwist and remove the fuel c...

Page 9: ...t the carburetor with the bar chain at tached WARNING It is very dangerous to run a chainsaw that mounts broken parts or lacks any parts Before starting engine make sure that all the parts including bar and chain are installed properly Starting THE engine 1 Fill fuel and chain oil tanks respectively and tighten the caps securely 2 Set the switch to I position P type Push in the decompression valve...

Page 10: ...over When using the saw with the anti freeze mode frequent ly check the screen and keep it clean of saw dust NOTE When using the unit at times when it is snowing Zenoah recommends that you also use a snow protector effective in preventing the air filter from freezing e g the sepa rately sold Z2881 98610 snow protector 1 H and L needles are restricted within the number of turn as shown below G4501 ...

Page 11: ...e chain should stop immediately with the engine at full speed If the chain is slow to stop or does not stop replace the brake band and clutch drum before use It is extremely important that the chain brake be checked for proper opera tion before each use and that the chain be sharp in order to maintain the kickback safety level of this saw Removal of the safety devices inad equate maintenance or in...

Page 12: ...he cleaner surface can be removed by tapping a corner of the cleaner against a hard surface To clean dirt in the meshes split the cleaner into halves and brush in gasoline When using compressed air blow from the inside To assemble the cleaner halves press the rim until it clicks NOTE When installing the main filter make sure that the grooves on the filter edge are correctly fit with the projection...

Page 13: ... oil filter through the filler port and clean in gasoline When putting the filter back into the tank make sure that it comes to the front right corner Also clean off dirt in the tank Oil filter 11 Maintenance of Saw Chain and Guide Bar Place the file on the cutter and push straight forward Keep the file position as illustrated After each cutter has been filed check the depth gauge and file it to t...

Page 14: ... dles Check oil for substan dard quality Check oil passage and ports for clog ging Replace Clean of a cutter If a gap is observed between them the rail is normal Otherwise the bar rail is worn Such a bar needs to be corrected or replaced WARNING This saw is equipped with one of the following low kickback bar chain combinations Model Guide bar Saw chain Type Part No Type Part No G4501 18 Sprocket n...

Page 15: ... PART ANY REPLACEMENT PART THAT IS EQUIVALENT IN PERFORMANCE AND DURABILITY MAY BE USED IN NON WARRANTY MAINTENANCE OR REPAIRS AND SHALL NOT REDUCE THE WARRANTY OBLIGATION OF THE COMPANY THE COMPANY IS LIABLE FOR DAMAGES TO OTHER ENGINE COMPONENTS CAUSED BY THE FAIRURE OF A WARRANTED PARTS STILL UNDER WARRAN TY THE WARRANTY DOES NOTAPPLY TO THOSE UNITS WHICH HAVE BEEN DAMAGED BY NEGLIGENCE OF INST...

Page 16: ...01 G4501 5201 5201P_GB_306 四 indd 16 13 6 20 11 29 42 AM ...

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