Pistons and Connecting Rods

TM 9-2320-312-24-2

Truck Engine

Disassembly and Assembly Section

NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened

component life.

Note: For information on reusability of the pistons,

refer to the following list.

Guideline For Reusable Parts And Salvage

Operations, SEBF8049, "Pistons"

Guideline For Reusable Parts And Salvage

g00610426

Operations, SEBF8290, "Visual Inspection of

Illustration 214

Two-Piece Pistons"

1. Use Tool (B) to remove retaining ring (2). Remove

piston pin (4) and separate piston (1) from

Tool Operating Manual, NEHS0775, "Using the

connecting rod (3).

186-0137 Piston Ring Gauge on Steel Crown,

Two-Piece Pistons used in 3126 Engines"

Note: For information on reusability of the connecting

rods, refer to the following list.

Guideline For Reusable Parts And Salvage

Operations, SEBF8063, "Visual Inspection of

Connecting Rods"

Guideline For Reusable Parts And Salvage

Operations, SEBF8064, "Salvage of Non-Serrated

Connecting Rods"

Note: For information on reusability of the piston

pins, refer to the following list.

g00610428

Illustration 215

Guideline For Reusable Parts And Salvage

2. Use Tool (A) to remove piston ring (5).

Operations, SEBF8051, "Piston Pins and Retaining

Rings"

i01337585

Guideline For Reusable Parts And Salvage

Pistons and Connecting Rods

Operations, SEBF8303, "Procedure to Inspect

Piston Pins"

- Assemble

Note: For information on reusability of the rod eye

SMCS Code: 1225-016

bushing, refer to the following list.

Assembly Procedure

Guideline For Reusable Parts And Salvage

Operations, SEBF8242, "Verification of Connecting

Rod Eye Bushing Retention Using 5P-8639

Table 40

Connecting Rod Bushing Press Group"

Required Tools

Guideline For Reusable Parts And Salvage

Part

Tool

Part Description

Qty

Number

Operations, SEBF8274, "Using Rod Eye Bushing

Installation and Removal Tools"

1U-6683

Ring Expander

NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened

component life.