Appendix A–18
Using a standard 16-ounce grease gun loaded with a
Magnalube-G cartridge, apply five shots of lubricant or
enough to eject all dirty grease until clean grease is visible.
Re-assemble the gauge. Do not apply more than 6 in-lb.
torque to the topshell screws.
Lubricating the Source Rod
If the source rod does not slide up and down freely, the source
rod bearing may require lubrication. A grease fitting is located
beneath the top shell at the base of the source rod tower.
Remove the control unit from the gauge by loosening the
four captive screws that secure the control unit to the top
shell. Lift the control unit out of the gauge and disconnect
the ribbon cable.
Locate the grease fitting at the bottom of the source rod
tower.
Using a standard 16-oz grease gun loaded with a
Magnalube
-G cartridge, apply five shots of lubricant to the
grease fitting.
Re-assemble the control unit.
Gasket Replacement
Four gaskets seal the gauge from moisture, dirt, and debris.
Condensation may form inside the gauge if the gauge has been
out in extremely wet weather or in high humidity, or if it is used
in the heat and stored in an air conditioned building. In this
case, remove the topshell and allow the gauge to dry. If
necessary, use a hairdryer (on low heat) to remove any built-up
moisture. If moisture continues to be a problem or debris is
present inside the gauge base, the gaskets may need replacing.
To replace the control panel gasket (P/N 110841), loosen the
four screws in the corners of the panel, and remove the panel
from the gauge topshell. Use care in removing the panel and
disconnecting the ribbon cable. Gently peel the old gasket from
the panel and replace with a new gasket. Reconnect the ribbon
cable and replace the control panel.
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