34515 Mercruiser CAP, VALUE STEM

Introduction
Table 1
Revision History
Revision Summary of Changes
03 Added serial number prefixes and replaced 478-3965 with 576-1403. Also, removed Footnote 2 with the pressure sensor kit information.
02 Added QR code and link to Channel 1 video of installation and removal procedure for the Pressure Sensor. This Special Instruction provides instruction for removal and installation procedure of the pressure sensor group (In-Cylinder Pressure Sensor) on certain Cat machine engines.Do not perform any procedure in this Special Instruction until you have read the information and you understand the information.Caterpillar Channel 1 Videos
For supplemental information on this procedure, refer to the following video. The previous training has been replaced with the video below.Note: A CWS login is required to access Caterpillar Channel 1. Scan the QR code below with a QR enabled device or copy the link that follows.
Illustration 1 g06471531Reference: For more information, refer to "Removal and Installation of the In-Cylinder Pressure Sensor for 3500 Series Engines" on Caterpillar Channel1.Note: Click or copy the following link into a web browser (A CWS login is required to access Caterpillar Channel1) or scan the following QR code using a QR enabled device.https://channel1.mediaspace.kaltura.com/media/t/1_5w36nizo
Illustration 2 g06530512Safety Section
Do not operate or work on this product unless you have read and understood the instruction and warnings in the relevant Operation and Maintenance Manuals and relevant service literature. Failure to follow the instructions or heed the warnings could result in injury or death. Proper care is your responsibility.
When removing a major component or attachment, ensure that it is properly blocked or secured before removing mounting hardware. An assembly that is disconnected without proper blocking may shift or fall, resulting in serious injury or death of personnel or machine damage.
Personal injury can result from improper handling of chemicals.Make sure you use all the necessary protective equipment required to do the job.Make sure that you read and understand all directions and hazards described on the labels and material safety data sheet of any chemical that is used.Observe all safety precautions recommended by the chemical manufacturer for handling, storage, and disposal of chemicals.
Before servicing/performing maintenance on the machine, electrical power must be physically disconnected; battery plugs must be disconnected from the batteries, or the trailing cable must be unplugged, and warning tags and padlocks shall be applied by a certified electrician. Certified electricians shall perform or direct any electrical work, including any energized testing, repair work in controllers, motors, or other approved compartments, and shall insure that all compartments are properly closed and inspected prior to re-energization. All applicable lock out and tag out procedures must be followed.
Hot parts or hot components can cause burns or personal injury. Do not allow these parts to contact your skin. Let the engine cool down before performing maintenance on or around the engine.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Required Tools
Table 2
Part Number Part Description
4C-5894 Tap (M10 X 1)(1)
9S-7354
or
386-3340 Torque Wrench Gp
9U-7067 Tapered Cap/Plug
264-4355 Nylon Brush
266-2281 Nylon Brush
- 12 mm 6-Point Deep Socket
- Loctite® LB 8008 C5-A or local equivalent(2)
(1) Use the 4C-5894 Tap to chase the port threads if necessary.
(2) Refer to the http