Engine System
28
Service Manual – PBU Propane Floor Burnisher
Engine Top End, Cylinder Head Assembly Installation
• Clean the mating surfaces of the cylinder heads
and cylinders.
• Replace the gaskets with new ones.
• Install the dowel pins [A]
Figure 24 Install Dowel Pins
• Set each piston at the T.D.C [A] of the
compression stroke.
•
Put new gaskets and the cylinder head
assemblies on each cylinder.
Note:
As the head gaskets are coated
with sealing agents, be careful
not to damage the surfaces
Figure 25 Set Piston at TDC
•
Tighten the cylinder head bolts following the
tightening sequence as shown in the figure.
Torque - Cylinder Head Bolts:
27.4 N·m (2.8 kgf·m, 20 ft·lb)
Caution:
A torque wrench must be
used to assure proper torque.
Improper tightening of the
head bolts may result in
warping of the cylinder head.
Figure 26 Cylinder Head Bolt Tightening Sequence
