TESTING AND ADJUSTING
maximum runout of the governor drive shaft and
3161 Standard and Generator Set Governors
coupling must be less than 0.15 mm (.006 in.). Parts
that do not fit correctly or are not in alignment can cause
early wear, shaft seizure, or governor drive shaft failure.
1. O-ring seals. 2. O-ring seals.
Make sure the four O-ring seals (1) and (2) are
in position on the governor drive housing. Install
FASTEN GOVERNOR TO DRIVE HOUSING
the seal on the governor oil pump housing and
6. Cover. 7. Bolts.
put clean engine oil on all seals.
Move the governor to put cover (6) in correct
alignment (square) with the front housing of the
engine. With the governor in alignment, install
and tighten bolts (7) to hold the governor to the
Put the governor and cover gasket in position.
Make sure the governor drive shaft and the
spline drive are in correct alignment. Also,
make sure the pin on the governor lever is
engaged in the slot in the fuel control linkage
INSTALL COVER AND BRACKET
6. Cover. 8. Bracket.
Put cover (6) against the front drive housing and
make sure the gasket is in alignment. Install and
tighten the bolts. Check the governor terminal
shaft for free movement, see Step 6.
Install bracket (8) as follows:
Install two bolts in the side of the governor.
Slide bracket (8) in place on the bolts.
Tighten the bolts enough to hold bracket (8)
ALIGNMENT OF GOVERNOR AND DRIVE
in position. The bracket must be free
(Cover removed for photo illustration only)
enough to move.
NOTE: Be sure there is no binding, side load on the
Install and tighten the two bolts that hold
drive shaft, or looseness in the drive coupling. The
bracket (8) to the top of cover (6). This puts
the bracket in correct alignment.