Bad Boy 1025H - TROUBLE SHOOTING

B25W-202010
3
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10
CHAPTER 3 ENGINE ACCESSORIES 1025H TRACTOR
1.8 TROUBLE SHOOTING
Problems Causes Countermeasures
1) Overheating
(1) Low coolant level
(1) Replenish coolant and inspect water
leaks.
(2) Fatigued pressure valve spring (2) Replace radiator cap.
(3) Loose or broken fan belt (3) Adjust belt tension or replace.
(4) Oily fan belt (4) Replace.
(5) Poor thermostat (5) Replace.
(6) Poor water pump or water leaks (6) Repair or replace.
(7) Clogged water passages (7) Clean radiator and water passages.
(8) Improper injection timing (8) Adjust injection timing.
(9) Clogged air ways (9) Clean radiator exterior.
(10) Fuel gas enters water jacket due to
broken cylinder gasket
(10) Inspect cylinder head and replace
cylinder gasket
2) Overcooling
(1) Poor thermostat (1) Replace
(2) Excessive low atmospheric temperature
(2) Decrease radiator working area by
radiator masking.
3) Lose of coolant
(1) Leaking radiator (1) Repair or replace
(2) Loosely clamped or broken water hose (2) Retighten or replace
(3) Fatigued pressure valve spring (3) Replace radiator cap
(4) Leaking water pump (4) Repair or replace
(5) Water leakage through cylinder head
gasket
(5) Inspect cylinder head and Replace
gasket
(6) Cracked cylinder head or body (6) Replace
4) Noisy coolingfan
(1) Poor water pump bearing (1) Replace
(2) Loose or bent fan (2) Retighten or replace
(3) Unbalanced fan (3) Replace.
(4) Poor fan belt (4) Replace.