Bobcat 741 - Page 217

CYLINDER HEAD
Removal
Remove the air cleaner hose from the carburetor.
Disconnect the fuel line from the carburetor.
Remove the coolant from the
cooling system.
Disconnect the spark plug wires, remove them from the
fastener
on the rocker cover.
Disconnect the water outlet hose at the intake manifold.
Remove the muffler from the manifold.
Disconnect the throttle linkage, the choke cable and the
distributor vacuum advance hose from the carburetor.
Disconnect the throttle linkage at the governor.
Remove the governor mounting bracket.
Remove the thermostat housing and remove the
thermostat.
Remove the rocker cover and the gasket.
Remove the rocker shaft bolts evenly and lift off the rocker
shaft assembly.
Lift out the push rods and keep them
in the correct order.
Remove the cylinder head bolts and lift off the cylinder
head and gasket.
Do not put the cylinder head flat on its
contact surface. Damage to the spark plugs or gasket
surface can result.
Installation
Clean all the gasket material from the contact surfaces
and put the cylinder head gasket
on the cylinder block
using the pilot studs.
Install the cylinder head, remove the pilot studs and install
the cylinder head bolts. Tighten the bolts evenly and
in
three steps, to the correct torque specifications [A).
Put oil on both ends of the push rods and install the
push rods
in the correct bores.
Install the rocker arm shaft assembly on the cylinder
head.
Put the push rods on the adjustment screws.
Tighten the
bolts 25-30 ft.-Ibs. (34-41 Nm) torque.
Make adjustment of the valve clearance.
Install the muffler onto the manifold.
Revised Oct. 97
-7B-2~
741,742,743, 743DS Bobcat Loader
Service Manual