SX™
Service and Maintenance Manual 3-140
960714-02B © 2007 I2407
SECTION 3 – COMPONENT REPAIR
SEALER ASSEMBLY
JAW POSITION SENSORS
The jaw position sensors communicate to the
machine the location of the pressure jaw,
determining the speed at which the jaw is closing.
Jaw position is determined by two sensors, the first
called “near-home” and the second called “home.”
Some of the procedures in this section require that
the electrical power to the machine remain ON.
1. Remove the outside frame guard (Figure 3-
356).
2. Locate the 6-positon junction box. Ensure the
plugs are fully inserted into the ports. The “near
home” sensor will be in the receptacle numbered ‘1’
and the “home” sensor will be in receptacle ‘2’
(Figure 3-357).
TESTING
USE EXTREME CAUTION WHILE SERVICING
A MACHINE WHILE POWER IS APPLIED.
UNEXPECTED MACHINE STARTUP CAN
CAUSE SERIOUS INJURY.
WARNING
DO NOT ATTEMPT TO SERVICE THE
MACHINE DURING NORMAL OPERATION.
KEEP HANDS AND ARMS CLEAR OF
MOVING PARTS.
WARNING
WHILE TESTING ELECTRICAL
COMPONENTS WITH POWER APPLIED TO
THE MACHINE, USE PROPER
TROUBLESHOOTING TECHNIQUES TO
AVOID ELECTRICAL SHOCK.
WARNING
Figure 3-356. Guard Identification
Outside
Frame
Guard
“Home” Sensor Plug
(Receptacle 2)
“Near Home” Sensor
Plug (Receptacle 1)
Figure 3-357.Jaw Position Sensor Plugs