JLG 660SJ Service Manual - Manual (Page 157)

SECTION 3 - CHASSIS & TURNTABLE
3121202 – JLG Lift – 3-107
2. Install the two quad seals. Install one seal at a time
to insure the seal does not roll. The seal must sit flat
on the throttle body.
3. Attach mixer and throttle body together. The two
parts do not bolt together; they will be secured when
you mount it on the intake. Notice the orientation of
the air inlet and throttle body cover.
4. Place gasket on intake manifold and attach mixer/
throttle assembly to manifold.
MIXER REPLACEMENT
See Figure 3-88.
REMOVAL
1. Remove the Throttle control device Refer to Elec-
tronic Throttle Body Replacement.
2. Remove the four (4) bolts to the throttle control
device to mixer adapter bolts.
3. Remove and discard the mixer to adapter gasket.
INSTALLATION
COVER THROTTLE BODY ADAPTER OPENING TO PREVENT
DEBRIS FROM ENTERING ENGINE UNTIL REASSEMBLY.
1. Install Mixer to adapter gasket onto the mixer.
2. Install the mixer to the throttle control device to
mixer adapter and secure with the 4 retaining
screws. Tighten 80 lb-in (9 Nm)
3. Install Throttle body. Refer to Electronic Throttle
Control Device Replacement.
4. Start the engine and leak check all fittings and con-
nections.
Figure 3-88. Mixer Assembly