Genie S-80, Service And Repair Manual

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Service and Repair Manual October 2016
Engines
52 S-80 • S-85 • S-80X Part No. 1269074
Perkins 404F-22T models:
1 Tag and disconnect the wiring from the bell
housing.
2 Remove the fasteners supporting the muffler
assembly from the bell housing.
Burn hazard. Beware of hot
engine components. Contact
with hot engine components
may result in severe burns.
3 Support the drive pump with an appropriate
lifting device. Remove all of the bell housing to
engine fasteners.
4 Carefully pull the pump and bell housing
assembly away from the engine and secure it
from moving.
Component damage hazard.
Hoses can be damaged if they
are kinked or pinched.
5 Remove the flex plate mounting fasteners, and
remove the flex plate from the engine flywheel.
Continental model:
1 Tag and disconnect the wire harness from the
oxygen sensor.
2 Remove the exhaust pipe heat shield
fasteners from the top of the muffler.
Burn hazard. Beware of hot
engine components. Contact
with hot engine components
may result in severe burns.
3 Remove the muffler retainer bracket fasteners.
4 Remove the muffler fasteners securing the
muffler to the exhaust manifold. Remove the
muffler from the bracket.
5 Remove the relay housing from the muffler
mount. Do not disconnect the relays.
6 Disconnect and remove the ECM from the
muffler mount.
7 Close the shutoff valve on the Liquid
Petroleum Gas (LPG) tank by turning it
clockwise (if equipped).
8 Unbolt the EPR valve from the muffler mount.
Leave the hoses attached to the EPR valve.
9 Remove the muffler mount.
10 Support the drive pump with an appropriate
lifting device. Remove all of pump plate
mounting fasteners.
11 Carefully pull the pump and bell housing
assembly away from the engine and secure it
from moving.
Component damage hazard.
Hoses can be damaged if they
are kinked or pinched.
12 Remove the flex plate mounting fasteners.
Remove the flex plate from the engine
flywheel.