a. General. The overspeed governor is driven by
the blower drive shaft. The governor is calibrated by the
manufacturer to open or close the switch contacts at
1500 rpm. The switch contacts will reset automatically
when the speed is reduced approximately 100 rpm
below the trip speed of 1500 rpm.
b. Removal and Installation.
Refer to the
c. Cleaning, Inspection, and Repair
(1) Clean disassembled metal parts in an
approved cleaning solvent and dry thoroughly.
Caution: Keep solvent away from
nonmetallic portions of electrical
(2) Inspect the terminals and contacts on the
trip governor switch.
(3) Visually inspect all parts for defects.
Replace a defective part.
d. Assembly and Disassembly. Refer
to figure 18
to assemble and disassemble the overspeed governor.
Section II. ENGINE COMPONENTS
The engine is a four cylinder, two cycle, diesel with
a. General. The air cooled exhaust manifold
overhead valve. The engine components are fully
mounted on the cylinder head.
described in the applicable paragraphs throughout this
(1) Disconnect the muffler from the is