ISX15 CM2350 Fuel Pump Tappet Campaign

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Warranty Field Campaign
Campaign Number:
c1794

Revision: F

ISX15 CM2350 Fuel Pump Tappet Campaign

Released Date: 08-Sep2017
Expiration Date (U.S.
and Canada): 01-Dec2017
Expiration Date
(International): 01-Dec2017

ISX15 CM2350 Fuel Pump Tappet Campaign
Attention
• U.S / Canadian Distr./Branches and Div. Offices (Automotive)
• U.S / Canadian Dealers
This is to revise and replace Campaign 1794-E, dated 30-May-17. This revision is
to:
1. Extend expiration date to 01-Dec-2017.
If additional information is required, please contact your Cummins Warranty
Operations Group Leader.

Description
This Campaign is being issued to upgrade certain ISX15 CM2350 High Pressure Fuel
Pump Tappets. This field action provides authorization for certified repair locations to
replace the brass roller pin tappets in the high pressure fuel pump with new diamond-like
coated roller pin tappets.

Note : Necessary parts must be on hand before beginning this field action.
Note : This field action provides for retroactive coverage for repairs, including
customer billable repairs, completed by Cummins authorized repair locations
prior to the release date of this field action. Repairs made on or after 2 June
2015 may be eligible for reimbursement.

https://qsol.cummins.com/qs3/pubsys2/xml/en/campaign/2017/c1794.html

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ISX15 CM2350 Fuel Pump Tappet Campaign

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Note : Cummins North American Dealers attempting to file claims for
retroactive repairs beyond 365 days can email
RAPIDSERVE@CUMMINS.COM for assistance. Cummins Distributor claims
for retroactive repairs beyond 365 days must be filed to Account Code 61.

Action
In order to qualify for repair under this field action, an engine:
1. will be covered Regardless of coverage status, and
2. must show an OPEN status on QuickServe® Online.
After verifying that the engine meets the above requirements, perform the following
actions:
• 1. Remove and inspect the fuel pump tappets. Please refer to Fuel Pump Head
Procedure 005-227 in Service Manual 4310641. Based on inspection results, follow
the appropriate repair direction outlined below.
◦ If no damage is found:
• 2. Complete installation of new fuel pump tappets. Please refer to Fuel Pump Head
Procedure 005-227 in Service Manual 4310641.

Note : Warning! The tappet guide pins may rotate during the removal of
the tappet. The tappet cannot be correctly installed if the tappet guide pin
is out of position. Please refer to Attachment B for the proper orientation
of the tappet guide pin.
Note : Use care when handling the roller tappet as the diamond-like
coated tappet roller pin can fall out, resulting in damage to either the
tappet roller or the pin. If the tappet roller pin does fall out during
inspection, but the tappet roller and roller pin are not damaged, the roller
pin can be reinserted.
• 3. Mark the fuel pump head forging number with white paint, as illustrated in
Attachment C, to signify completion of this field action.
• 4. File one claim for only the applicable parts and labor listed in this field action.
◦ If the tappets or fuel pump cam are found damaged:
• 2. Refer to TSB140019 for repair direction.

Note : Repairs done in accordance with TSB140019 cannot be filed to
this field action and must be filed to applicable coverage. Per the TSB,
there is a cost effective option to use a fuel pump short block service kit.
• 3. Mark the fuel pump forging number with white paint, as illustrated in Attachment
C, to signify completion of this field action.

https://qsol.cummins.com/qs3/pubsys2/xml/en/campaign/2017/c1794.html

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ISX15 CM2350 Fuel Pump Tappet Campaign

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• 4. File two claims:
◦ File one claim to this campaign for only the applicable parts and labor listed in
this field action.
◦ The remainder of the repair cost directed by TSB140019 should be filed to
applicable Coverage, customer billed, or requested through Policy.

Material Disposition
Materials removed as a result of this field action must be scrapped.

Reimbursements
Parts
Note : In accordance with fuel system clean care, sealing washer Part Number
3963988 MUST be replaced regardless of repair path. Please refer to
TSB140159 for information regarding effects of not following clean care
practices and failure to replace sealing washer Part Number 3963988.
The following parts are covered under this field action:
Part Number

Quantity

Description

287251300

1

GSK,PMP (OPTIONAL)

396398800

2

WSH,SNG

396399000

2

WSH,SNG (OPTIONAL)

435913400

2

TPT,PMP (OPTIONAL)

498828000

1

GSK,PMP (OPTIONAL)

Note : SRTs to gain access that are required to complete the repair, that are
sufficiently explained in the claim narrative, may also be claimed on this action.
Labor Using Applicable Access Code and Time
SRT Code

Description

00-400

Steam Clean - Single
Component Repair

00-90X

Administrative time

05-176

Fuel Pump Head Remove and Install

https://qsol.cummins.com/qs3/pubsys2/xml/en/campaign/2017/c1794.html

Time (hrs)

9/22/2017

ISX15 CM2350 Fuel Pump Tappet Campaign

SRT Code

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Description

17-138

Power Steering Pump Move for Access

17-162

Power Steering Reservoir
- Move for Access

99-902

FUEL PUMP TAPPET
REMOVE AND REPLACE
(QTY 2)

Time (hrs)

.2 hrs

Travel
Travel is covered under this field action. Towing is not covered under this field action.

Note : Please schedule the Technician's time to maximize the number of units
that can be repaired on a single visit. When filing claims for multiple ESNs,
where travel is required and authorized, travel can be filed to ONLY one (1)
ESN.
Other Claimables
Consumables are covered under this field action.

Claim Instructions
For Cummins Dealers, claims for this Field Campaign must be filed via RAPIDSERVE™
Web (rsw.cummins.com). For information regarding RAPIDSERVE™ Web, please
reference the "Warranty" tab in QuickServe® Online. If there are additional questions,
please contact your local Cummins Distributor.

Claim Codes
Description

Code

Account Code:

65

Pay Code:

Distributor = X

Pay Code:

Dealer = D

Pay Code:

International = I

Failure Code:

WFHASO

Attachments

https://qsol.cummins.com/qs3/pubsys2/xml/en/campaign/2017/c1794.html

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ISX15 CM2350 Fuel Pump Tappet Campaign

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Click here to see c1794-s_esn-list.xls

(/service/english/attachments/c1794-s_esn-list.xls)
see c1794_fuel_pump_head_marking_attach-c.pdf

Click here to

(/service/english/attachments/c1794_fuel_pump_head_marking_attach-c.pdf)
here to see c1794_tappet_guide_pin_warning-attach-b.pdf

Click

(/service/english/attachments/c1794_tappet_guide_pin_warning-attach-b.pdf)
Engine Family

Fuel System

ISX, QSX15 ISX15
Design Application
Automotive

Market Application
All

Last Modified: 08-Sep-2017

https://qsol.cummins.com/qs3/pubsys2/xml/en/campaign/2017/c1794.html

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Mark the Fuel Pump Head forging number with a white paint marker after
completing the repair.

Warning! Tappet Guide Pin May Rotate
The tappet guide pin is a floating pin and plug design, as shown in Figure 1 below. The floating
pin has a rectangular end that engages the groove on the tappet. Refer to Figures 2 and 3. The
pin can be rotated by hand. Be certain the pin engages the tappet properly before installing the
fuel pump head.

Figure 1: Tappet guide plug, floating pin, and the tappet roller with guide slot.

(a)

(b)

Figure 2: Bottom view using cut-away cam housing. (a) Tappet guide pin correctly oriented
within the bore. (b) Tappet guide pin incorrectly oriented within the bore.

(a)

(b)

Figure 3: Top view looking down into bore. (a) Tappet guide pin correctly oriented within the
bore. (b) Tappet guide pin incorrectly oriented within the bore.