Yanmar Marine Diesel Engine Governor Assembly Guide

  This article mainly introduces Assembling  governor

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Inspect all parts after disassembly and replace any parts as necessary. Before starting reassembly, clean new parts and parts to be reused, and put them in order.
Make sure to readjust the unit after reassembly to obtain the specified performance.
(1) Insert the governor weight assembly in the taper portion at the end of the fuel pump camshaft, stopping it with the hole in the fuel coupling ring or holding the coupling with a vise, mount the rest, and tighten the governor weight nut.

(2) Open the governor weight to the outside, and insert the sleeve in the end of the fuel pump camshaft.

NOTE: Make sure that the sleeve moves smoothly after ln-
serting it.
(3) When the stop lever has been disassembled, mount the stop lever return spring on the stop lever, tap the stop lever lightly with a wooden hammer to insert it, and tighten the stop lever stop pin.

(4) When the control lever shaft has been removed, lightly tap the control lever shaft and washer from inside the governor case, using an appropriate plate.
(5) If the governor has been disassembled, tap in the spring pin.

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(6)Mount the governor lever assembly to the governor
link

NOTE:1. Make sure that the correct governor link mount.
ling holes are used, and that it is mounted in the correct direction.
2. Make sure that the governor link moves smoothly.
(7) Put the governor lever shaft assembly in the governorcase, insert the governor lever shaft, and tap it in until the O-ring groove comes out the opposite side of the governor case.

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(8) After you have mounted the O-ring, tape the governorlever in the opposite direction, and mount the E-shaped stop rings on the grooves at both ends.

NOTE: After mounting the governor lever assembly, make sure the governor lever assembly moves smoothly.
Printed In Japan A0A1015-9110SP



(9) Fit the stop lever return spring to the end of the governor lever shaft.

(1o) Hook the governor spring on the control lever shatt and tension lever hook with radio pliers.

(11) Pull the governor link as far as possible towards the governor case mounting surface, insert the governor link pin in the fuel control rack pin hole and fit the snap pin on it.

(12) Mount the governor case to the fuel pump unit while lightly tapping it with a wooden hammer, and tighten the bolts.
(13) Place the adjusting spring and adjusting rod on the governor case cover adjusting bolt, and mount the governor case cover.

(14) Insert the control lever in the control lever shaft, and tighten the nut.

NOTE:Move the control lever back and forth to make sure that the entire link moves smoothly.