Mitsubishi MT180 User Manual

P
l
ENGINE
Engine proper
All values in mm (in.) unless otherwise indicated
Descrip tion
Type Standard value
Repair limit
Service limit
Compression pressure
32 kg/cm
2
(455.2 psi)/280 rpm
26 kg/cm
2
Approx.
(369.8 psi)
22 kg/cm
2
(312.9 psi)
Pressure difference between
2.5 kg/cm
2
(35.6 psi)
cylinders (max)
Injection order
1-3-2
Injection timing
K3A, K3C-13MT
21°
± 1.5° B.T.D.C. (when started
at smoke set position)
21°
± 2°
Cylinder head
Bottom surface flatness
0.05 (0.0020) max.
0.1(0.0039)
( distortion)
Valve guide
L.D. (both
6.6 (0.2598)
intake and exhaust
valves)
Valve seat angle (both
45°
intake and exhaust valve)
Valve seat width (both
1.3 to 1.8 (0.0512 to 0.0709)
2.5 (0.0984)
intake and exhaust valve
s)
Valve seat sinkage
-1 (-0.0394)
Valve timing
Intake valve opened
18° B.T.D.C.
Intake
valve closed
46°
A.B. D.C.
Exhaust valve opened
46° B.B.D.C.
Exhaust
valve closed
18° A.T.D.C.
Valve clearance (both intake
0.25 (0.0098) (when engine
is
exhaust valves)
cold)
Valve
Valve head diameter
Intake valve
27.2 (1.079)
Exhaust
valve
25.2 (0.9921)
Overall length
114.5 (4.5079)
Stem
O.D.
6.6 (0.2598)
Clearance between stem
and guide
Intake
valve
0.10(0.0039)
Exhaust
valve
0.15(0.0059)
Valve face angle
45°
Valve head thickness(margin) 1.0 (0.0039)
0.5(0.0197)
Valve spring
Free length
43 (1.6929)
41. 7(1.6417)
Installed load/Installed length
14.0
± 0.7 kg (30.9 ± 1.5 Ibs.)/36
-15%
(1.42)
Squareness
15°
3°
2-58

Mitsubishi MT180 Specifications

General

Brand	Mitsubishi
Model	MT180
Category	Tractor
Language	English