Mec 4069RT - Page 94

“4069RT” Service and Parts ManualMarch 2014
Page 3-18
DUAL FUEL ENGINE MAINTENANCE
A IR F ILTER E LEMENT - D UAL F UEL
Figure 3-13: Dual Fuel Engine Air Filter Element
1. Unlock the catches holding the filter canister
cover.
2. Remove the wing-nut from the filter assembly
and remove the filter element.
3. Inspect the canister for debris and clean as nec-
essary.
4. Install a new filter element and tighten the wing-
nut.
5. Replace the canister cover and lock the
catches.
E NGINE A DJUSTMENT - D UAL F UEL
Figure 3-14: Dual Fuel Engine Adjustments
The following adjustment points are
sealed by the factory and cannot be
adjusted.
• Carburetor Pilot Screw
• LPG Main Pressure Adjustment Screw
• LPG Idle Pressure Adjustment Screw
• Distributor Ignition Timing Adjustment
Screw
C HOKE A DJUSTMENT - D UAL
F UEL
1. Loosen the Choke Adjustment
Screw until the linkage rod can
move freely.
2. Manually retract the Choke Solenoid
Piston until it stops.
3. While holding the solenoid fully
retracted, close the choke plate until
it stops in the fully closed position.
4. Allow the choke plate to open
slightly and tighten the Choke Adjustment Screw.
5. Check Choke Solenoid operation to ensure that the choke plate travel does not pre-
vent the Choke Solenoid from retracting fully.
ART_3204
Catch
Air Filter
Canister
Cover
Filter
Choke Adjustment Screw
Idle Adjustment Screw
Throttle Solenoid
Throttle
Solenoid
Adjustment
Throttle
Linkage
Choke
Solenoid
ART_2067