To Check The Piston Height Above The Cylinder Block - Perkins New 1000 Series Workshop Manual

13
To check the piston height above
the cylinder block
Special tools:
Piston height tool, PD.41D
Dial gauge for use with PD.41D, PD.208
Caution: If the correct piston height above the
cylinder block is not obtained, damage to the engine
can occur.
Put the piston height tool (A) on the face of the
cylinder block and rotate the gauge dial to the zero
position. Rotate the crankshaft until the piston crown
is approximately at top dead centre (TDC). Carefully
put the tool over the top of the piston with the plunger
of the gauge in contact with the piston above the axis
of the gudgeon pin. Rotate the crankshaft to ensure
that the piston is at the highest position and make a
note of the gauge indication.
The piston height above the top face of the cylinder
block should be 0,36/0,50 mm (0.014/0.020 in).
Notes:
! The top of the piston should not be machined.
! If the original piston is used, ensure that it is
assembled to the correct connecting rod and is
used in the original cylinder.
If any of the components listed below are renewed,
refer to the relevant operation:
! The connecting rod, see operation
! The small end bush, see operation
70
13-4
A
13-7.
13-10.
New 1000 Series
Workshop Manual, TPD 1350, issue 3
A0352