Genie Z-45/22, Service Manual

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Part No. 29487 Genie Z-45/22 4 - 31
Service Manual - First Edition Section 4 - Scheduled Maintenance Procedures
TABLE C PROCEDURES
7 Install the rotor and cap, then re-attach the coil
and spark plug wires.
8 Swing engine pivot plate back to its original
position and replace the three retaining pins.
C-12
Replace the Spark Plugs -
Gasoline/LPG Models
Periodic replacement of the spark plugs is
essential to good engine performance and service
life. Worn, loose or corroded spark plugs will
cause the engine to perform poorly and may result
in component damage.
Perform this procedure with the
engine turned off.
1 Label, then disconnect the plug wires from the
spark plugs by grasping the molded boot. Do
not pull on the plug wire.
2 Blow out any debris around spark plugs.
3 Remove all the spark plugs from the engine.
4 Adjust the gap on each new spark plug.
5 Install the new plugs, the reconnect the plug
wires. Be sure that each spark plug wire is
attached to the correct spark plug.
Specifications
Spark Plugs (Motorcraft)
Gap
Torque specs
C-13
Check and Adjust the
Air/Propane Mixture
Maintaining the proper air-to-fuel mixture during
propane operation is essential to good engine
performance.
Engine fuels are combustible.
Perform this procedure in an
open, well-ventilated area away
from heaters, sparks, flames and
lighted tobacco. Always have an
approved fire extinguisher within
easy reach..
The engine rpm needs to be
preset for gasoline fuel operation
before adjusting the propane idle
mixture.
The engine should be warmed to
normal operating temperature
before performing this procedure.
1 Move the fuel select switch to propane fuel and
start the engine from the ground controls.
2 Loosen the high idle mixture adjustment lock
nut.
a low idle mixture adjustment screw
b high idle mixture adjustment screw
c propane regulator
d pressure adjustment
a
b
c d
AWSF-42
0.032 - 0.036 inches
0.81 - 0.91mm
5 - 10 foot-pounds
6.8 - 13.6 Nm