PI 0862

Mack Trucks, Inc.
Greensboro, NC USA
Service Program
Trucks
This Service Program replaces PV729–PI0862, “V-Stay Rod Cover,
Replacement (USA72836)” dated 10.2015.
Date
Group
No.
Release
Page
12.2015
655
862
02
1(11)
V-Stay Rod Cover, Replacement
CHU, CXU, GU, TD, LEU, MRU, LR
PI0862, V-Stay Rod Cover, Replacement
(December 2015)
Some MACK CHU, CXU, GU, TD, LEU, MRU, and LR trucks built from 03/19/2012 to 08/30/
2015 and equipped with mRide suspensions may inadvertently lose the v-stay rod cover (part
number 21896762) from the v-stay rod. The replacement v-stay rod cover will be installed and
secured with a tack weld in two places (180 degrees apart).To secure a v-stay rod cap that is
still in position, two tack welds (180 degrees apart) will be applied. Follow the repair
procedure outlined in this Product Improvement (PI).
Note: This bulletin does not apply to MACK Trucks Australia.
PV729-PI0862
USA74018
Mack Trucks, Inc.
Service Program
Date
12.2015
Group
No.
Release
655
862
02
W6106240
Required Parts
V-Stay Rod Cover, Replacement
Item #
Description
Part Number
Qty
1
V-Stay Rod Cover
21896762
1 (Per Axle)
Decommissioning the Truck for Inspection or Repair
You must read and understand the precautions and guidelines in Service Information,
group 60, "General Safety Practices, Steering, Front Axle and Suspension" before
performing this procedure. If you are not properly trained and certified in this procedure,
ask your supervisor for training before you perform it.
DANGER
Do not attempt to repair or service this vehicle without having sufficient training, the correct
service literature and the proper tools. Failure to follow this could make the vehicle unsafe
and lead to serious personal injury or death.
1 Park the vehicle on a level surface.
2 Apply the parking brake.
3 Place the transmission in neutral or park.
Page
2(11)
Mack Trucks, Inc.
Service Program
Date
12.2015
Group
No.
Release
655
862
02
4 Install the wheel chocks.
W7086748
5 Disconnect the cable from the battery’s negative terminal.
W3086747
Page
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Mack Trucks, Inc.
Service Program
Date
12.2015
Group
No.
Release
655
862
02
V-Stay Rod Cover, Cleaning and Inspection
1 Thoroughly clean and remove any grease from the v-stay rod pivot joint.
2 Inspect the v-stay pivot joint to ensure the v-stay rod cap is still in position and has not
inadvertently fallen off the v-stay rod.
Note: If the v-stay rod cap is still in position, proceed to (V-Stay Rod Cover, Tack Weld
Existing Cover Only, Per Axle) section, and tack weld the v-stay rod cap in 2 places (180
degrees apart).
Note: If the v-stay rod cap is missing, proceed to (V-Stay Rod Cover, Replacement, Per
Axle) section, install and tack weld a new v-stay rod cap in 2 places (180 degrees apart).
W6106241
Page
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Mack Trucks, Inc.
Service Program
Date
12.2015
Group
No.
Release
655
862
02
V-Stay Rod Cover, Tack Weld Existing Cover Only, Per Axle
1 Prep the v-stay rod cover and v-stay rod for tack welding by removing any paint from the
weld mating areas.
W6106244
2 Using safe welding practices, tack weld the v-stay rod cover in two places (180° apart).
After the tack welds are complete, remove any welding slag.
Note: For Safe Welding Practices, refer to Service Bulletin (SB) PV776–88944824 (FG
300–03).
W6106245
Page
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Mack Trucks, Inc.
Service Program
Date
12.2015
Group
No.
Release
655
862
02
3 Using suitable methods, prep and paint (1) the tack welds to prevent any rusting of the vstay rod cover and v-stay rod.
4 Proceed to Commissioning the Truck for Operation.
W6106246
V-Stay Rod Cover, Replacement, Per Axle
1 Clean the mating surfaces of the V-Stay rod pivot joint, cover area, and ensure the center
apex joint is clean and free of debris.
Note: After cleaning, inspect the apex joint for any excessive damage or play. If excessive
wear is discovered in the v-stay rod apex joint, a pivot joint overhaul may be required.
W6106242
Page
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Mack Trucks, Inc.
Service Program
Date
12.2015
Group
No.
Release
655
862
02
2 Brush a liberal amount of lithium grease (XHP 222) onto all internal parts of the v-stay rod
apex joint.
3 Position v-stay rod cover (1) onto the v-stay rod apex joint.
W6106240
4 Using a hammer, tap on v-stay rod cover until it seats.
W6106243
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Mack Trucks, Inc.
Service Program
Date
12.2015
Group
No.
Release
655
862
02
5 Prep the v-stay rod cover and v-stay rod for tack welding by removing any paint from the
weld mating areas.
W6106244
6 Using safe welding practices, tack weld the v-stay rod cover in two places (180° apart).
After the tack welds are complete, remove any welding slag.
Note: For Safe Welding Practices, refer to Service Bulletin (SB) PV776–88944824 (FG
300–03).
W6106245
Page
8(11)
Mack Trucks, Inc.
Service Program
Date
12.2015
Group
No.
Release
655
862
02
7 Using suitable methods, prep and paint (1) the tack welds to prevent any rusting of the vstay rod cover and v-stay rod.
W6106246
Page
9(11)
Mack Trucks, Inc.
Service Program
Date
12.2015
Group
No.
Release
655
862
02
Commissioning the Truck for Operation
1 Connect the cable to the battery’s negative terminal.
W3086758
2 Remove the wheel chocks.
W7086759
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Mack Trucks, Inc.
Service Program
Date
12.2015
Group
No.
Release
655
862
02
Reimbursement
This repair is covered by an authorized
Service Program. Reimbursement is
obtained through the normal claim handling
process.
UCHP
Reimbursement
eWarranty
Reimbursement
Claim Type (used only when uploading from
the Dealer Bus. Sys.)
B
B
Vehicle inspected, repair not required
1- Inspected OK
1- Inspected OK
Vehicle repaired per instruction
2- Modified per
instruction
2- Modified per
instruction
Primary Labor Code (Clean and Inspect for
Operation)
6000–06–09–02
0.3 hrs
1352K–01–96
0.3 hrs.
Labor Code (V-Stay Rod Cover, Replacement,
First Axle)
6553–03–09–02
0.6 hrs
1352M–01–96
0.6 hrs.
Labor Code (V-Stay Rod Cover, Replacement,
Additional Axle)
6553–03–09–04
0.4 hrs
1352N–01–96
0.4 hrs.
Labor Code (V-Stay Rod Cover, Tack Weld
Existing Cover Only, First Axle)
6553–03–09–03
0.5 hrs
1352P–01–96
0.5 hrs.
Labor Code (V-Stay Rod Cover, Tack Weld
Existing Cover Only, Additional Axle)
6553–03–09–05
0.2 hrs
1352O–01–96
0.2 hrs.
Time to take charge and determine campaign
status
1700–16–01–01
0.3 hrs
101AA–0A–00
0.3 hrs
Causal Part
21896762
21896762
SCC Code
S6959
N/A
Authorization Number
N/A
PI0862
Expiration Date
01-OCT-2016
01-OCT-2016
Recall Status
Labor Code
Note: Take Charge Time is not included in the Labor Code for this operation. Take charge
may be eligible but can only be used once per repair visit. If vehicle is having other warranty
repairs performed, take charge should be charged to the warranty repair, otherwise take
charge can be charged to this service program.
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