Precautions In Operation; Troubleshooting - DAELIM ET-250 Service Manual

4-2 Precautions in Operation

General Information:
This chapter contains maintenance operation
l
for the engine oil pump and gear oil
replacement.
Specifications
Engine oil quantity
Oil viscosity SAE 10W-30 (Recommended
King serial oils)
Gear oil Disassembly:
Change:
Gear oil viscosity SAE 140
(Recommended SYM Hypoid gear oils)
Inner rotor clearance
Oil pump Clearance between outer rotor and body
Clearance between rotor side and body
Torque value
Torque value oil strainer cap
Engine oil drain bolt
Gear oil drain bolt
Gear oil join bolt
Oil pump connection bolt

4-3 Troubleshooting

Low engine oil level
Ÿ Oil leaking
Ÿ Valve guide or seat worn out
Ÿ Piston ring worn out
Low oil pressure
Ÿ Low engine oil level
Ÿ Clogged in oil strainer, circuits or pipes
Ÿ Oil pump damage
Disassembly: 1400 c.c.
Change: 1200c.c.
750c.c.
650c.c.
Items
1.5~3.0kgf- m
1.9~2.5kgf- m
1.0~1.5kgf- m
1.0~1.5kgf- m
0.8~1.2kgf- m
? ? :mm
Standard (mm)
0.15
0.15~0.20
0.04~0.09
Dirty oil
Ÿ No oil change in periodical
Ÿ Cylinder head gasket damage
Ÿ Piston ring worn out
22
Limit (mm)
0.20
0.25
0.12