A New Bolt Is Used on the Valve Mechanism Gp of All 3500 Machine Engines {1102, 1107, 1120, 1121, 1123, 1209}
- Caterpillar Products: Machine Engines
- All 3500 Series
Description of Change: The new bolt has an increased sealing capability. The increased sealing keeps dirt from entering the intake port.
Adaptable To: The new 334-1626 Bolt is a direct replacement for the existing 0S-1590 Bolt in the 224-9869 Valve Mechanism Gp .
The existing 0S-1590 Bolt may be reused in place of the new 334-1626 Bolt if 5P-3413 Pipe Sealant is applied to the existing bolt.
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| Illustration 1 | g01963417 |
224-9869 Valve Mechanism Gp (1) 334-1626 Bolt location | |
Refer to Illustration 1 for the location of the new bolt that is located in two places.
This change is effective for all machine engines that are built after 23June 2009.
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