15
MAINTENANCE
3.4 Storage
Rammer should be stored in such position as it is placed on level after engine and
machine have been cooled down. Be sure to secure the rammer as necessary to
avoid falling down.
3.4.1 Long-Term Storage
Drain fuel from fuel tank, fuel line and carburetor.
Protect the air cleaner, muffler from water and dust.
Clean exterior with a cloth soaked in clean oil.
Store unit covered with plastic sheet in moisture free and dust free location out of
direct sunlight.
3.5 Troubleshooting
3.5.1 Rammer Troubleshooting
SYMPTOM
POSSIBLE PROBLEM
SOLUTION
Engine rotates
but amplitude
not uniform or
does not strike
Operating speed of throttle
lever is incorrectly set?
Set throttle lever to correct position.
Oil in excess?
Drain excess oil. Bring to correct level.
Clutch slips?
Replace or adjust clutch.
Spring Failure?
Replace spiral spring.
Speed of engine improper?
Adjust engine speed to correct operating
RPM setting.
3.5.2 Engine Troubleshooting
SYMPTOM
POSSIBLE CAUSE
SOLUTION
Indicator Turns On – Engine Running
Engine oil pressure
indicator (if equipped)
Low level of engine oil or
Too high an oil level
Check and adjust oil level as
necessary
Clogged engine oil filter
Replace engine oil filter
element
Indicator Does Not Turn On – Key Switch is Turned to ON (OFF
→
ON)
Faulty electrical wiring or faulty
indicator
See authorized Yanmar
industrial engine dealer or
distributor
