Craftsman 143.991200 Specifications download pdf (Page 27)

Governor Shaft Replacement, Retaining Ring Style

1. Remove the retaining ring, spool, gear assembly, and washer(s).

2. Clamp the shaft in a vise and pound gently on the flange with a wooden or plastic mallet to remove the

shaft.

NOTE: DO NOT TWIST THE GOVERNOR SHAFT WHEN REMOVING. THE SHAFT BOSS MAY

BECOME ENLARGED AND THE PRESS FIT WILL NOT SECURE THE NEW GOVERNOR SHAFT.

3. Start the new shaft into the shaft boss by tapping with a soft faced hammer.

4. Refer to the chart at right for the proper shaft exposed length from the mounting surface. Add a drop

of red Loctite 271 and press the governor shaft to the proper depth using a press or a vise. Wipe the

extra Loctite off after installation.

5. Reassemble the washer (s), governor gear, and spool followed by the retaining ring.

SHAFT

RETAINING

RING

WASHER

SHAFT

GEAR ASSY.

(GOV.)

GEAR ASSY.

(GOV.)

WASHER

SPACER

WASHER

SPOOL

SHAFT

WASHER

SHAFT

SPOOL

GEAR ASSY.

(GOV.)

RETAINING

RING

WASHER

GEAR ASSY.

(GOV.)

RETAINING

RING

WASHER

SPOOL

SPACER

RETAINING

RING

SPOOL

RETAINING

RING

WASHER

GEAR ASSY.

(GOV.)

ENGINE MODEL EXPOSED SHAFT LENGTH

OHH/OHSK50-70 1.319" - 1.334"

OVRM (33.502 - 33.883 mm)

OHM 1.085" - 1.100"

OHSK80-130 (27.559 - 27.940 mm)

OVM

OVXL 1.350" - 1.365"

OHV (34.290-34.671 mm)

SPOOL

OVRM TYPE I

OVRM TYPE II

MEDIUM FRAME

OHH / OHSK50-70

OVM / OHV / OHM

OHSK80-130

SERVICED AS ASSEMBLY

UPSET

SHAFT

NOTE; SPACER

MAY BE PART

OF THE GEAR

ASSEMBLY.

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Craftsman 143.991200 Specifications Page 27

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