Checkout and maintenance
1-22
DIsTANCE sApE / pOTENTIOMETER VpI I, II & sOT
LD
• Disconnect the power from the rear of the machine.
• Remove the weight tray.
• Disconnect the 1D SAPE return spring from the lower
base assembly.
• Remove the 10mm nut holding the SAPE wheel to the
frame.
• Remove the 13mm nut holding the potentiometer to the
frame.
DIsTANCE sApE / sTRINg ROUTE INsTALLATION
VpI I, II & sOT LD
• Install 10K potentiometer onto bracket and tighten
13mm nut.
• Install SAPE Wheel onto potentiometer shaft and hand
tighten 10mm nut.
• Attach SAPE thread to distance rod.
• Route SAPE thread over guide roller and around the
spool as shown by blue arrows.
• Attach the spring from the SAPE bracket to the spool
• Test SAPE assembly by pulling on the SAPE arm to it’s
full out position several times. make sure their is no
binding.
• With the SAPE arm in the HOmE position program <
F/
p
> <50>.
• Hold the SAPE wheel firmly, using a flatblade screw
-
driver turn the potentiometer to a voltage reading of
3.10 ± .02v
• Run <
F/p
> <80> for SAPE calibration.
WIDTH sApE / pOTENTIOMETER INsTALLATION
JBC VpI sYsTEM III, IV
• Disconnect the power from the rear of the machine.
• Remove the weight tray.
• Disconnect the 3D SAPE wire from the Power Supply
box and gently pull the wire through the hood tube.
• Remove the three screws holding the top cover on the
SAPE arm.
Remove the three screws holding the bottom cover on
the SAPE arm.
• Remove the 10mm nut holding the gear to the potenti
-
ometer.
• Remove the 13mm nut holding the potentiometer.
• Reverse procedure for installation.
• The potentiometer comes equipped with a standoff,
insert the standoff into the hole in the housing.
• Reconnect all wiring.
• With the Width SAPE arm in the home position program
<F> <52> System Iv <C82>.
• Losen the 10mm nut and hold the gear. using a flat
-
blade screwdriver turn the potentiometer to a voltage
reading of 3.15 ± .05vDC or greater than 0.20 when the
tip of the SAPE is touching the backing collar.
• Run <F79 for SAPE calibration, System Iv <C82>.
Summary of Contents for EEWB304B
Page 1: ...WHEEL BALANCER Service Manual EEWB502B C EEWB503B EEWB304B ...
Page 56: ......