JLG 740AJ, Service And Maintenance Manual

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SECTION 3 - CHASSIS & TURNTABLE
3121160 3-193
10. Start the vehicle and leak check the propane fuel system
at each serviced fitting Refer to Propane Fuel System
Leak Test.
PRESSURE REGULATOR SECTION REMOVAL
1. Remove the EPR refer to EPR Removal Procedure.
2. Remove the six (6) regulator to voice coil screws using
the special tool and separate the regulator from the
actuator.
DO NOT REMOVE THE SECONDARY DIAPHRAGM RETAINING PLATE AND DIA-
PHRAGM THIS WILL VOID THE WARRANTY OF THE ACTUATOR SECTION.
PRESSURE REGULATOR SECTION INSTALLATION
1. Install the regulator to the actuator section using the six
(6) retaining screws and tighten 70 in lbs (8 Nm).
2. Install the EPR refer to EPR Installation.
Temperature Manifold Absolute Pressure (TMAP)
Sensor
REMOVAL
1. Disconnect the TMAP electrical connector.
2. Remove the two retaining bolts.
3. Remove the TMAP.
INSTALLATION
NOTE: Apply a small amount of O-ring lubricant before installa-
tion.
1. Install in the TMAP.
2. Tighten retaining bolts to 62 lb-in (7 Nm).
3. Start the vehicle and check for proper operation.
Figure 3-106. Pressure Regulator Section
Figure 3-107. (TMAP) Sensor & Electronic Throttle
Control (ETC)