(2) Visually inspect mounting hardware for
and switch, and filter element which is discarded, in an
stripped threads or other defects. Move flexible control
approved cleaning solvent and dry thoroughly. Wipe
through housing to check freedom and ease of
gauge and switch clean with a rag dampened in cleaning
movement.
Inspect housing for dents or other
solution, then wipe dry.
deformation.
(b) Visually inspect all parts for
(3) Repair by replacing defective items.
excessive wear, cracks, dents, or stripped threads. Test
When housing of control cable is deformed and binds
continuity of low fuel pressure switch. Test fuel pressure
control, replace the flexible control.
gauge with controlled air pressure.
c.
Adjustment.
The flexible control is
(c) Repair by replacing damaged,
adjustable at either the engine, or throttle lever end.
defective, or worn parts. Install new filter element at
When throttle lever is not correctly positioned on
reassembly.
quadrant, at idle or high speed, adjust as follows:
(4) Service. Service fuel filter as directed in
(1) Remove cotterpin and pin from rod end
clevis (fig. 3-63), back off locknut, then turn clevis on
rod end clockwise to shorten, or counterclockwise to
3-70. Governor Throttle Control Linkage
lengthen control cable.
a.
Removal and Installation. Refer to figure 3-
(2) Reinstall cable rod end on shaft and try
52 and remove governor throttle control linkage in
throttle lever position.
numerical sequence. Install in reverse order.
(3) Repeat steps (1) and (2) until
b.
Cling, Inspection, and Repair.
adjustment is correct, then tighten locknut.
(1) Clean all parts except flexible control
3-71. Primer Pump, Lines, and Fittings
cable in an approved cleaning solvent and dry
thoroughly. Wipe housing and rod ends of control cable
a.
For Engine Model 687C-18-ES.
clean with rag dampened in cleaning solvent, then wipe
dry.
Figure 3-52. Governor throttle control linkage, removal and installation.
3-64
