Maintenance Chart; Fault Location - Makita EK7650H Manuel D'emploi Et De Sécurité

Maintenance chart

Item
Engine oil
Wheel, tightening bolt, hood
Throttle system
Air filter
Dust bag filter
Prefilter
Spark plug
V-belt
Fuel tank filter
Nuts and bolts
• Be sure to use designated and genuine parts and consumables.

Fault location

Fault System
Cutting disc does not Clutch
start turning
Engine does not start Ignition system
or with difficulty
Fuel supply
Compression system
Mechanical fault
Clutch
Warm start problems Carburetor
Engine starts, but dies Fuel supply
immediately
Insufficient Several systems may
performance simultaneously be
affected
Inspecting
Inspection/clean
Replace
Visual inspection
Functional check
Gently tap or replace.
Clean or replace.
Rinse off coarse dirt in running water or
replace, and apply oil.
Visual check ... Clean, adjust, or replace
Visually inspect status of wear (take
care about excessive tension at time of
replacement).
Visually inspect, and replace depending on
level of dirtiness.
Visually inspect, and correct.
Observation Cause
Engine runs Damage to clutch
Ignition spark O.K. Fault in fuel supply or compression system, mechanical defect
No ignition spark STOP-switch operated, wiring fault or short circuit, spark plug or
connector defective, ignition module faulty
Fuel tank filled Incorrect choke position, carburetor defective, fuel supply line bent or
blocked, fuel dirty
No compression when Cylinder bottom gasket defective, crankshaft seals damaged, cylinder
pulled over or piston rings defective or improper sealing of spark plug
Starter not engaging Broken starter spring, broken parts inside of the engine
Ratchet spring contaminated and opened, have it cleaned
Contamination
adheres to clutch and
around parts
Tank filled, ignition Carburetor contaminated, have it cleaned
spark existing
Tank filled Incorrect idling adjustment, suction head or carburetor contaminated
Fuel tank vent defective, fuel supply line interrupted, cable or STOP-
switch faulty
Engine idling poor Air filter contaminated, carburetor contaminated, muffler clogged,
exhaust duct in the cylinder clogged
24
Regularity
Before commencing work
Initially, after 20 operating hours, and
subsequently every 30 operating hours
Before commencing work
Before commencing work
Monthly (every 50 operating hours)
Weekly (every 20 operating hours)
Daily (every 8 operating hours)
Implement as you think proper
Before commencing work
Implement as you think proper
Before commencing work