Maeda MC305C-3 - Engine

Section 5 – TROUBLESHOOTING Mini-Crawler Crane M A E D A
5-82 3/2019 MC305C-3
Engine
Abnormal Phenomenon
Major Cause(s)
Actions
Engine does not start even after
the starter key is turned
• Insufficient fuel
• Insufficient battery charge
• Insufficient compression
• See "Check / Add Fuel" on
page 5-27 and refuel
• Charge the battery
(• Check and replace)
Engine starts but stops right away
• Insufficient oil in oil pan
• See "Check / Add Engine Oil"
on page 5-26 and adjust oil
level to appropriate one
• See causes and actions for
"Engine does not start"
Engine power is low, the power
gradually drops
• Air cleaner element clogged
• Radiator fin clogged
• Insufficient compression
• See "Inspect / Clean / Replace
Air Cleaner" on page 5-44 and
clean or replace the parts
• Clean
(• Check and replace)
Engine water temperature monitor
illuminates while the engine is in
operation
• Insufficient coolant
• Water leakage from the
cooling line
• Slackened or broken fan belt
• Radiator fin clogged
• See "Coolant Replacement
and Internal Cleaning" on page
5-49 and refill with coolant
(• Check and repair)
• See "Check / Adjust Belt
Tension" on page 5-42 to
check, adjust, or change the
belt
• Check and clean
Engine oil pressure monitor
illuminates while the engine is in
operation
• Insufficient engine oil
• Engine oil filter clogged
• Engine unit in failure
• See "Check / Add Engine Oil"
on page 5-26 and adjust oil
level to appropriate one
• See "Replace Engine Oil and
Oil Filter" on page 5-41 to
check, adjust, or change the
filter
(• Check and repair)