448548
15
Zoom out
Zoom in
Previous page
1/100
Next page
15
STORAGE
፴፧ When keeping the machine in storage for a long time, drain fuel from the fuel
tank and carburetor, as follows: Drain all fuel from the fuel tank.
፴፧ Remove the spark plug and add a few drops of oil into the spark plug hole.
Then, pull the starter gently to confirm that oil film covers the engine inside
and tighten the spark plug.
፴፧ Clear dirt or dust from the cutter blade and outside of engine, wipe them with
a oil-immersed cloth and keep the machine at a place as dry as possible.
MAINTENANCE SCHEDULE
General Engine assembly,
screws and nuts
Visual inspection for damage and tightness
Check for general condition and security
After each refuelling Throttle lever
Safety lock key
I-O switch
Functional check
Functional check
Functional check
Daily Air filter
Cooling air duct
Cutting tool
Idling speed
To be cleaned
To be cleaned
Check for damage and sharpness
Inspection (cutting tool must not move)
Every 20 hours Gear case Supply of grease
Weekly Spark plug
Muffler
Inspection, replace if necessary
Check and if necessary clean the opening
Quarterly Suction head
Fuel tank
To be replaced
To be cleaned
Shuting down
procedure
Fuel tank
Carburetor
Empty fuel tank
Operate until engine runs out of fuel
FAULT LOCATION
Fault System Observation Cause
Ignition system Ignition spark is present Faulty fuel supply or compression system, mechanical defect Engine not starting or
under difficulties
No ignition spark I-O switch operated, wiring fault or short circuit, spark plug or
connector defective, ignition module faulty
Fuel supply Fuel tank filled Incorrect choke position, carburetor defective, suction head (gas
line filter) dirty, fuel supply line bent or interrupted
Inside of engine Cylinder bottom gasket defective, crankshaft seals damaged,
cylinder or piston rings defective
Compression
Outside of engine Improper sealing of spark plug
Mechanical
fault
Starter not engaging Broken starter spring, broken parts inside of the engine
Warm start problems
Tank filled
Ignition spark existing
Carburetor contaminated, have it cleaned
Incorrect idling adjustment, suction head or carburetor
contaminated
Engine starts but dies
immediately
Fuel supply Tank filled
Fuel tank vent defective, fuel supply line interrupted, cable or
I-O switch faulty
Insufficient
performance
Several
systems may
simultaneously
be affected
Engine idling Air filter contaminated, carburetor contaminated, muffler clogged,
exhaust duct in the cylinder clogged
15


Need help? Post your question in this forum.

Forumrules


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for Makita HTR 4901 at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of Makita HTR 4901 in the language / languages: English, German, Dutch, French, Italian, Portuguese, Spanish as an attachment in your email.

The manual is 2,43 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info