Description

The Woodward Kubota Shutdown Kit 3A is designed for Kubota 70mm and 82mm series engines. It contains the properly suited solenoid and return spring as well as all mounting hardware for attachment to the governor housing. It is also available as a hardware kit without the solenoid.

The solenoid included in the kit is either the 1751ES externally switched (3 wire) solenoid or the 1751 internally switched solenoid. The solenoid is sized according to deration for hot temperature and low voltage. Hold coil is designed for continuous duty operation under the most severe temperature and vibration conditions.  

Woodward SA-4259-12

Woodward SA-4260-12

Woodward SA-4260-24

Woodward SA-4264

Installation

Before removing old parts or installing new ones, ensure that the engine is turned off and the battery is disconnected. Always use proper tools for the installation.

Shutoff Lever Installation

Refer to Figure 2a. 1. Remove the four hex head bolts (3) from the injection pump cover plate (1) located on the back of the pump. The oil dipstick tube will also become detached.   2. Remove run/stop lever (2) by punching out roll pin (4). Do not remove shaft from injection pump cover. 3. Remove original gasket (5) and disconnect torsion spring (6). It is not necessary to remove spring from shaft. 4. Discard lever, original gasket, and three of the four hex head bolts.

Refer to Figure 2b.

5. Attach new shutoff lever (7) to injection pump cover plate using new roll pin (8) and shim washer.

6. Fasten injection pump cover plate assembly to engine using new gasket (9) and the retained hex head bolt (3). Note proper location of hex head bolt in the upper right hand hole location on the cover plate. Do not tighten bolt at this time.

Bracket Installation

INTERNALLY SWITCHED SOLENOID / Refer to Figure 3. 

EXTERNALLY SWITCHED SOLENOID / Refer to Figure 4.Attach mounting bracket (3) to the injection pump cover plate using the retained Kubota hex head bolt, three hex head bolts (7), lockwashers (9), and flatwashers (11). Tighten all four bolts. 2. Attach the oil dipstick tube to the bracket using bolt, washer, and nut supplied with kit.