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 NOTE
(2) Remove the capscrews from housing cover
Be sure the adjusting setscrews (4)
(1), lift off housing cover, and gasket (25).
are adjusted evenly, then install
(3) Back off the adjusting screw' (7) and remove
safety wire through holes in head that
block (8); this will relieve tension on spring (11). Tag the
are lined up. Also, check that rollers
block (8) for proper reinstallation identification.
(23) of the weights, and the weights,
(4) Remove the pipe plug located in the upper
move freely.
governor housing to the left side of the governor hand control
(4, fig. 2-3).
(5) Position weights on spindle (22), install oil
(5) Pull the shaft (10, fig. 3-15) from the speed
seal (24), and bearing (5), then install the adjusting setscrews
control lever and remove the lever.
(4).
(6) Back off nuts (17) and remove the upper
(6) Position new gasket on lower housing, and
governor housing and gasket.
install the upper housing. Install nuts (17) and tighten.
(7) Remove nuts (20) and lift the governor
(7)
Position the speed control lever and insert
assembly from the lower governor housing.
shaft (10).
(8) Position the governor assembly in a vise. Use
(8) Install and tighten the pipe plug located in the
soft jaws to avoid damage.
upper housing, on left side of the governor hand control (4,
(9) Back off adjusting setscrews (4) and remove
the oil seal (24) and bearing (5).
(9) Install block (8, fig.
(10)
Lift off the spindle (22) and weight assemblies.
adjusting screw (7).
(11) Remove bearing (21), bearing (19), and shims
(10) Position a new gasket (25) on upper housing,
(18). Tag the shims for proper installation identification.
install cover, then tighten nuts securing cover evenly.
(12) Remove cotter pin from governor shaft and
nut (13), then remove nut (13). Pull drive gear (14) from
(11) Connect oil line to oil spray tip (3) and
governor shaft (26). Remove drive gear key and tag for
reconnect the governor linkage.
proper reinstallation identification.
e. Test and Adjustment.
(13) Remove bearing (15), then pull out governor
shaft (26) and spring (27).
(1) Start engine and check the governor for speed
control as follows:
c. Cleaning, Inspection, and Repair.
(1)
Wash the governor parts in clean fue oil and
l
set varying rpm levels.
wipe dry.
(b) Use governor hand control (4) to refine
the desired level.
(2) Use a wire brush and clean all gasket
(c) If the governor fails to respond,
surfaces. Use new gasket when assembling and installing the
remove nuts securing cover (1, fig. 3-15), remove cover
governor.
(leave gasket on upper housing) then reach in with a screw
(3) Inspect all bearings for cracked race, worn or
driver and turn the adjusting screw (7) until speed levels off at
scored balls, or rough operation. Replace defective bearings.
throttle setting.
(4)
Oil each bearing with clean engine oil prior to
(2) Stop the engine, and reinstall the cover (1)
installation.
and tighten the cover nuts evenly.
(5) Check oil seal (24) for excessive wear, or
3-14. Fuel Filter and Relief Valve
other damage. Replace a defective oil seal.
a. General. The fuel oil filter is a duplex pressure filter
(6) Inspect drive gear (14) for worn teeth, or other
with woolen-bag filter elements. By positioning the control
defect. Replace a damaged drive gear.
valve handle (fig. 3-9), one filter may be in service while the
other is being cleaned without stopping the engine. With the
d. Reassembly and Installation.
control handle in a vertical position, fuel oil will flow through
(1) Install the drive gear (14), tighten nut (13), and
both filters. One filter at a time can be shutoff and cleaned
install a new cotter pin.
when the filters become dirty.
(2) Install bearing (15).
Install spring (27),
governor shaft (26), and spindle (22) in bracket (16).
NOTE
left in service. Then service as follows:
Be sure that all shims are reinstalled
(1)
Position a pan under filter to catch drainage.
in same position from which they
(2) Remove drain plug from near bottom of filter
were removed.
not in service (the L. H. filter shown on figure 3-9). Inspect
(3)
Install shims (18) and bearing (19).
the draining fuel oil to determine degree of contamination.
(4) Position the governor assembly in the lower
governor housing and tighten nuts (20) evenly.
3-44
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