JLG 460SJ Service Manual - Manual (Page 171)

SECTION 3 - CHASSIS & TURNTABLE
3120895 – JLG Lift – 3-119
Electronic Throttle Control Replacement
See Figure 3-78.
REMOVAL
1. Disconnect the negative battery cable.
2. Remove the air intake duct.
3. Release the hose clamp on the vapor fuel line and
remove the vapor hose.
4. Disconnect the TMAP electrical connector.
5. Disconnect the electronic throttle control connector.
6. Remove the manifold to throttle body adapter bolts
and remove the throttle body mixer assembly.
7. Pull the throttle body assembly from the adapter.
8. Remove electronic throttle control device.
9. Remove the O-rings gasket and discard.
INSTALLATION
LIGHTLY LUBRICATE BOTH THROTTLE CONTROL DEVICE TO
ADAPTER O-RINGS.
1. Install the O-ring on throttle body. Press it down to
the bottom of the surface.
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.