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Repair Manual MAN-00
190
THAR
CRDe
BS-IV
MAY
2012
/Rev 1
The repair methods given by the manufacturer in this document are based on the technical specifications at the time of release. The methods may be modified as a result of changes introduced by the
manufacturer in the production of the various component units and accessories from which the vehicles are manufactured. The reproduction, translation, transmission, in part or whole of the present
document, are prohibited without the prior written consent of Mahindra & Mahindra Ltd. The use of this document by any person other than the trained personnel, at the Authorized Service Centre of
Mahindra & Mahindra Ltd., will amount to unauthorized use and shall be liable for penalty/prosecution© 2012 Mahindra & Mahindra Ltd.
Height of cylinder head from top to bottom face
Standard Service Limit
97.7/98.3 97.4
Rocker lever bush I.D ( in pressed condition)
22.0
Rocker shaft O.D
21.98/21.980
Rocker to shaft clearance
Standard Service Limit
0.02/0.06 0.2
Push rod bent
Standard Service Limit
≤
0.25 0.40
Valve spring
Free Length
Squareness
Installed Load/Installed length
Standard Service Limit
53.6
50.6
0.15
0.2
381.5N/43 mm 347 N
Valve seat angle
44
°
45
′
to 45
°
Valve stem O.D
Inlet
Exhaust
6.95/7.10
6.95/7.10
Valve to Valve guide clearance
Inlet
Exhaust
0.03/0.07
0.05/0.09
Thickness of the valve head
Standard Service Limit
2.0 1.5
Chain
Crank Sprocket
Idler Sprocket
HPP Sprocket
Duplex bush type
98 Links, Endless & Riveted.
38 Teeth
22 Teeth
28 Teeth
Difference between Cam height & base circle
diameter
Inlet
Exhaust
Standard Service Limit
6.0796 5.5796
6.9076 6.4076
Camshaft Bush I.D
φ
49.025/49.0
Camshaft Journal O.D
48.98/48.95
Camshaft bush to cam journal clearance
Standard Service Limit
0.02/0.075 0.1
Camshaft bend
≤
0.01
I.D of tappet hole in crankcase
24.48
Tappet to tappet hole clearance
Standard Service Limit
0.02/0.075 0.15
Crankshaft pin
∅
OD
Roundness/Ovality
Cylindricity/Taper
Standard Service Limit
53.0/52.981
≤
0.01 0.03
≤
0.012 0.03
Main Bearing oil clearance
Standard Service Limit
0.016/0.074 0.1
Undersize of the c/s crank pin
∅
OD
0.25mm US
0.50 mm US
0.75 mm US
Dimensions of the crankpin.
52.75/52.731
52.50/52.481
52.25/52.231
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