Hobart Welding Products ARCSTAR OM-487 - Manual (Page 34)

OM-487 Page 30
B. Checking Throttle Solenoid
Ref. ST-801 961 / ST-802 649
Y Stop engine.
If the engine does not stay at idle
speed, verify the the throttle sole-
noid and linkage is installed proper-
ly.
Adjusting Throttle Solenoid
1 Throttle Solenoid
2 Jam Nut
3 Solenoid Link
4 Shoulder Bolt
5 Throttle Lever
6 Solenoid Rod
7 Throttle Solenoid Mounting
Screw
Loosen jam nut, remove shoulder
bolt, and remove link from throttle
lever. Install link 1/2 in (13 mm) on
solenoid rod. Reconnect link to
shoulder bolt and throttle lever.
Push solenoid rod into idle (ener-
gized) position and check for non-
binding lateral movement of throttle
link at throttle lever. If link binds,
loosen solenoid mounting screws.
Move the solenoid slightly until the
link moves freely with solenoid in
relaxed and energized positions.
Tighten screws.
Tighten jam nut.
Go to Step C.
3/8, 7/16 in
Tools Needed:
1 2 3
1/2 in
(13 mm)
5
6
7
Check for non-binding
movement of link with sole-
noid in energized position.
6
Check for non-binding
movement of link with
solenoid in relaxed
position.
4
5/32 in