Protect all exposed sealing surfaces and open cavities
The areas of repair indicated are classed as minor
from damage and foreign material.
repairs and may be performed, following the procedures
in this section, without voiding the unit warranty.
Although specific units are illustrated, these procedures
It is recommended that all gaskets and O-rings be
apply to all series and types of units in the Heavy Duty
replaced. All gasket sealing surfaces must be cleaned
prior to installing new gasket. Lightly lubricate all O-
rings with clean petroleum jelly prior to assembly.
Cleanliness is a primary means of insuring satisfactory
transmission life, on either new or repaired units.
Cleaning parts by using a solvent wash and air drying is
adequate, providing clean solvent is used. As with any
precision equipment, the internal mechanism and
related items must be kept free of foreign materials and