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ENGINE
152
ENGINE INSPECTION SHEET
CYLINDER BLOCK AND PISTONS
SHEET 1
Engine No. ………………………………………
Chassis No. …………………………………….
Kilometers ………………………………….......
Kilometers since last overhaul …………………
Reason for dismantling …………………………………..
………………………………………………………………
………………………………………………………………
………………………………………………………………
A=Non thrust side
B=Thrust side
COMPRESSION READING
Cyl.
1
2
3
4
Pressure
(Kg/cm
2)
CYLINDER BORE
Dial gauge set at ………mm Piston size (Stamped) ……..mm
Cyl. No.
1
2
3
4
Pistons
A B Ovality
A
B
Ovality
A
B
Ovality
A
B
Ovality
aa
bb
cc
dd
dd
ee
ff
Taper
Max. Taper …………mm Max. Ovality …………mm Rebore to size ………..mm
Piston Rings
PISTON
RINGS
NO.
PISTON RINGS BUTT CLEARANCE (mm) PISTON RINGS LATERAL CLEARANCE (mm)
PISTON NO.
PISTON NO.
1
2
3
4
1
2
3
4
1
2
3
*Check butt clearance at unworn portion of cyl. Bore
(bottom)
Piston rings and grooves should be properly
cleaned of carbon and other deposits.
PISTON RING GROOVES
Conclusions/Recommendations:
Checked by …………………..Date …………
N.B. - Check lateral clearance of new piston rings in
grooves
Piston
New piston ring lateral clearance
Ring No.
1
2
3
4
1
2
3