JLG 740AJ Service Manual - Manual (Page 188)

SECTION 3 - CHASSIS & TURNTABLE
3-136 – JLG Lift – 3121160
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 DIAPHRAGM 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
installation.
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 3-82. Pressure Regulator Section
Figure 3-83. (TMAP) Sensor & Electronic Throttle
Control (ETC)