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Product: INDUSTRIAL ENGINE
Model: C27 INDUSTRIAL ENGINE TWM
Configuration: C27 Industrial Engine TWM00001-UP
Disassembly and Assembly
C27 and C32 Industrial Engines
Media Number -RENR9577-06 Publication Date -01/11/2017 Date Updated -20/11/2017
i02592997
Electronic Unit Injector - Install
SMCS - 1290-012
Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
B 8T-2998 Lubricant 1
1U-5718 Vacuum Pump 1
169-7372 Fluid Sampling Bottle 1
C
Tube
4C-4057 1
7.9 mm (0.31 inch) OD
D 4C-5552 Large Bore Brush 1
E 4C-6774 Vacuum Gun Kit 1
F 8T-7765 Surface Reconditioning Pad 1
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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C27 Industrial Engine TWM00001-UP(SEBP4496 - 49) - Systems & Components Page 2 of 4
1. Use Tooling (C) to remove the fuel and oil from the cylinder. Evacuate as much fuel and oil
as possible from the cylinder before installing the electronic unit injector. Several
evacuations may be necessary.
2. Use Tooling (D) to clean the carbon deposit from the inside of the electronic unit injector
sleeve. Tooling (E) is available to clean loose material from the bore of the electronic unit
injector sleeve and the cylinder.
3. Use Tooling (F) to clean the carbon from the seat area that is inside of the electronic unit
injector sleeve.
4. Install the O-ring seals on the electronic unit injector. Lubricate the top two O-ring seals
with a 50/50 mixture of clean engine oil and Tooling (B).
Illustration 1 g01297315
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C27 Industrial Engine TWM00001-UP(SEBP4496 - 49) - Systems & Components Page 3 of 4
Illustration 2 g01135876
5. When you install a new injector the E-Trim value must be programmed into the engine
control module. The injector confirmation code may need to be programmed into the engine
control module. E-Trim Value (X) is a twelve digit alphanumeric code that is supplied with
the data sheet that comes with the new injectors. Injector Confirmation Code (Y) is a four
digit numeric code. Both of the codes are located on the top of electronic unit injector (2).
Use the following menu to program the E-Trim value.
◦ ECM Summary Screen
◦ Service Menu
◦ Calibration
◦ Injector Code Calibration
NOTICE
When an electronic unit injector is replaced, the new electronic
injector code must be programmed into the engine's personality
module software by using the calibration menu on the Electronic
Service Tool. If the new electronic injector code is not entered, the
characteristics of the previous electronic unit injector is assumed.
If it is not possible to immediately reprogram the electronic injector
code into the personality module software, the engine will not be
severely harmed. The new electronic injector code should be
reprogrammed as quickly as possible in order to optimize engine
performance.
6. Position electronic unit injector (2) in the cylinder head.
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C27 Industrial Engine TWM00001-UP(SEBP4496 - 49) - Systems & Components Page 4 of 4
7. Install spacer (5), clamp (6), and bolt (4). Tighten the bolt to a torque of 55 ± 10 N·m
(41 ± 7 lb ft).
8. Install bridge assemblies (3).
9. Connect harness assembly (1). Tighten the nuts to a torque of 2.5 ± 0.25 N·m (22 ± 2 lb in).
End By:
a. Install the rocker arms and the rocker arm shaft. Refer to Disassembly and Assembly,
"Rocker Arm and Shaft - Install".
Copyright 1993 - 2019 Caterpillar Inc. Mon Sep 30 14:39:08 UTC+0300 2019
All Rights Reserved.
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