Procedure to Unlock the 341-8700 Fuel Injection Pump Gp {1251} Caterpillar


Procedure to Unlock the 341-8700 Fuel Injection Pump Gp {1251}

Usage:

C9.3 C9N
Industrial Engine:
C9.3 (S/N: C9N1-UP)

Introduction

This publication contains information on the locking screw of the 341-8700 Fuel Injection Pump Gp .

Locking Mechanism of the Three Lobe Fuel Pump

The locking screw is located on the side of the fuel injection pump. The locking screw is tightened with the washer in an Upward position. The washer is placed in the Upward position for shipping purposes prior to installation. Refer to Illustration 1. The locking screw must be moved to the Unlocked position after installation and prior to starting the engine. Loosen the screw and reposition the washer to the Downward position. Tighten the screw after moving the washer to the Downward position. Refer to Illustration 2




Illustration 1g02166847

Locked position

(1) Locking screw

(2) Washer is moved in the upward position




Illustration 2g02168035

Unlocked position

(1) Locking Screw

(2) Washer is moved in the downward position

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