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BODY BUILDER INSTRUCTIONS

Mack Trucks

Body Builder; Engine, MP7, MP8, and MP10

CHU, CXU, GU, TD, MRU, LR

Section 2

Introduction

This information provides details for the MP7, MP8, and MP10 engines for MACK
vehicles.

Note:

We have attempted to cover as much information as possible. However, this

information does not cover all the unique variations that a vehicle chassis may present.
Note that illustrations are typical but may not reflect all the variations of assembly.

All data provided is based on information that was current at time of release. However,

this information is subject to change without notice

.

Please note that no part of this information may be reproduced, stored, or transmitted by
any means without the express written permission of MACK Trucks, Inc.

Contents:

“Fuel and Oil”, page 2

“Engine Overview”, page 3

“Exhaust Aftertreatment System”, page 10

“Heated Dump Bodies ”, page 25

“Exhaust Back Pressure for US2010 and GHG2017 Engines”, page 26

“MR/LR Exhaust Aftertreatment System Regeneration”, page 27

“Dash Overview”, page 29

“In-Transit Heat Cooling System ”, page 37

“Fittings, Fuel Line, Replacement”, page 41

Mack Body Builder Instructions

CHU, CXU, GU, TD, MRU, LR

USA139046859

Date 5.2017

Page 1 (43)

All Rights Reserved

Summary of Contents for MP8

Page 1: ...n that was current at time of release However this information is subject to change without notice Please note that no part of this information may be reproduced stored or transmitted by any means wit...

Page 2: ...weight This was done to reduce particle emissions in the exhaust Bio Diesel The only biodiesel fuel approved by MACK Trucks Inc for use in MACK Engines is soy methyl ester SME or SOME in blends up to...

Page 3: ...let the engine idle for 3 to 5 minutes before shutting it off MACK Trucks Inc does not recommend the use of winterfronts shutters or any other shield in front of the grille or radiator package under...

Page 4: ...ated After a brief time the engine shuts down Find a safe place to pull off the road as soon as possible After the engine has been shut down by the system turn the ignition key to the OFF position If...

Page 5: ...ntilator 4 Power Steering Pump 12 Alternator 5 Fuel Pump 13 AC Compressor 6 Engine Control Module ECM 14 Alternator AC Compressor Belt 7 Fuel Filter 15 Fan Coolant Pump Belt 8 Fuel Water Separator 16...

Page 6: ...ake Air Heater IAH optional 26 Oil Pan 20 Thermostat 27 Exhaust Gas Recirculation EGR Cooler 21 Belt Tensioner 28 Turbocharger 22 Coolant Pump 29 Starter Motor 23 Coolant Filter 30 Exhaust Gas Recircu...

Page 7: ...ompressor 5 Fuel Pump 14 Alternator AC Compressor Belt 6 Crankcase Ventilator 15 Fan Coolant Pump Belt 7 Engine Control Module ECM 16 Venturi Pipe 8 Fuel Filter 17 Exhaust Gas Recirculation EGR Mixing...

Page 8: ...R Cooler 20 Intake Air Heater IAH 27 Oil Pan 21 Thermostat 28 Starter Motor 22 Belt Tensioner 29 Turbocharger 23 Coolant Pump 30 Exhaust Gas Recirculation EGR Valve 24 Coolant Filter Mack Body Builder...

Page 9: ...should be installed that would restrict air flow through the radiator or to the engine air intake W2031928 Fig 1 Allow Sufficient Clearance Around Engine A 40 64 MM 1 6 in Minimum Mack Body Builder In...

Page 10: ...ck of cab DPF both conventional DPF and spark assisted DPF 2 MACK Cap DPF which is a space saving unit that is mounted inside the frame conventional only C0029353 A DPF takes the place of the standard...

Page 11: ...are that temperature around the area where the exhaust en ters the body as well as the product contained in the body may be elevated particularly during aftertreatment DPF regeneration Extended Idling...

Page 12: ...er Urea is a compound of nitrogen that turns to ammonia when heated It is used in a variety of industries perhaps most commonly as a fertilizer in agriculture The fluid is non flammable and is not dan...

Page 13: ...r Urea is a compound of nitrogen that turns to ammonia when heated It is used in a variety of industries perhaps most commonly as a fertilizer in agriculture The fluid is non flammable and is not dang...

Page 14: ...increase during a parked regeneration When parking the vehicle to perform a parked regeneration keep away from any flammable materials vapors or structures DANGER Exhaust gases and components can be...

Page 15: ...SCR works by injecting diesel exhaust fluid DEF into the exhaust DEF is a solution of ultra pure water and urea DEF works with the heat of the exhaust and a SCR catalyst to convert NOx into nitrogen a...

Page 16: ...tank plus a aftertreatment DEF pump aftertreatment DEF Dosing valve and a SCR catalyst The advantage of using DEF is that it enables the engine to use less exhaust gas recirculation EGR gases and hig...

Page 17: ...on the application and operating environment of your specific vehicle W2117782 GHG ClearTech One DPF SCR Surface Temperatures Conversion Degrees Celsius Degrees Fahrenheit 120 248 160 320 175 347 180...

Page 18: ...ed as meeting ISO 22241 standards and certi fied by the American Petroleum Institute API The container must display the API certification seal Never use agri cultural or industrial grade urea Use of f...

Page 19: ...se with plenty of water and remove contaminated clothing If DEF solution comes into contact with the eyes rinse for several minutes and call for medical help if necessary If inhaled breathe fresh air...

Page 20: ...start up this indicates a problem with the exhaust aftertreatment system Take the vehicle to an authorized MACK Truck dealer immediately Vehicles equipped with a US2010 emission compliant engine have...

Page 21: ...lt in heat related dam age to vehicle equipment or other property Vehicle upfitters are responsible for any damage due to exhaust system modifica tion or removal In addition to maintaining proper clea...

Page 22: ...amping Area Side No Insulation 350 C 662 F Compact DPF Surface Temperatures Position Thickness of Heat Insulation Heat During Active Regeneration Inlet Section Bottom 12 7 mm 0 5 in 280 C 536 F Inlet...

Page 23: ...in the exhaust aftertreatment system Aftertreatment DEF Dosing Pressure Aftertreatment DEF Tank Temperature Aftertreatment DEF Tank Level Aftertreatment DPF Intake Outlet Temperature Aftertreatment D...

Page 24: ...installation purposes the diffuser must be installed exactly as the OEM installation W2116210 Fig 3 Straight Exhaust Stack out of Vertical Back of Cab Diesel Particulate Filter DPF with Diffuser End...

Page 25: ...ehicles equipped with a Aftertreatment DPF require the use of EO O Premium Plus or VDS 4 specification high perform ance diesel engine oil and ultra low sulfur diesel ULSD fuel The following are impor...

Page 26: ...ely use VCADS procedure 2545 08 03 02 Exhaust Aftertreatment Diagnostics Note The maximum allowed added back pressure from exhaust piping is 4 kPa 0 6 PSI Measuring Back pressure 1 Remove the post NOx...

Page 27: ...wn Position Inhibit Position if equipped 2 Middle Position Neutral Position CAUTION During the aftertreatment DPF regeneration the exhaust gas temperature EGT will be elevated DO NOT park the ve hicle...

Page 28: ...gas within the aftertreatment system is hot enough to remove soot without in jecting additional fuel into the DPF system On chassis equipped with a US07 aftertreatment system DPFs needed an active re...

Page 29: ...5 Climate Control Unit 15 Driver Information Display DID Screen 6 Radio 16 Turn Signal HI LO Beam Flash 7 Accessory Power Outlet 17 Light Control Panel 8 Air Vent 18 Headlamp Flash 9 Air Filter Restr...

Page 30: ...ntrol 18 Fuel Gauge Diesel Exhaust Fluid DEF Gauge 7 Parking Brake 19 Switch Location 8 Audio 20 Operating Position Selector 9 Climate Control Panel 21 Mirror Adjustment Knob 10 Turn Signal 22 Auxilia...

Page 31: ...ell Tale Display 10 Ignition 4 Electric Horn 11 Parking Brake 5 Vent 12 Air Pressure Gauge 6 Climate Control Panel 13 Fuel Gauge 7 Switch Locations Notes Mack Body Builder Instructions CHU CXU GU TD M...

Page 32: ...illuminates when a parked Aftertreatment DPF Regeneration Required is initiated It also indicates high ex haust gas temperature during a passive regeneration When the HEST icon is illuminated do not p...

Page 33: ...ers Aftertreatment DEF Tank Low Level Indicator Amber Warning Lamp Inducement 12 Aftertreatment DEF Tank Level Gauge None None None 12 Aftertreatment DEF Tank Level Gauge W2029 416 None None 0 Aftertr...

Page 34: ...ry Exit from 8 km h 5 mph Inducement None W303 1623 25 torque reduction Note Vehicle has to be stationary before 8 km h 5 mph RSL becomes active Exit conditions for DEF Quality 5 mph road speed limit...

Page 35: ...t system corrosion may occur between turbocharger and aftertreatment DPF Costly repairs Results of misfilling diesel in aftertreatment DEF tank Aftertreatment selective catalytic reduction SCR system...

Page 36: ...ring None None None Tampering Diagnostic Trou ble Code DTC Pending None W303 1623 None Tampering DTC Confirmed None W303 1623 None Tampering DTC Initial De tected 10 hour None W303 1623 25 torque redu...

Page 37: ...nt supply and return connections along with the part numbers for the stub pipes sealing rings and necessary hardware W0113624 Figure 1 Cooling System Supply and Return Connections MP8 Engines Key Qty...

Page 38: ...ng 6 2 946440 Flange screw M8 x 1 25 16 mm long 7 1 948645 Flange locknut M8 x 1 25 mm long 8 1 977976 Clamp 9 1 965558 Bracket coolant return support Note On GU models equipped with a fuel heater and...

Page 39: ...X X Not OK N A X X OK None X X OK Depends on how much the transit heater demands The transit heat er may demand no more than 5 GPM X OK 5 GPM X X OK Depends on how much the transit heater demands The...

Page 40: ...f urea is spilled on a connector the part of the cable that has been exposed to urea solution must be exchanged immediately W2105885 W2105581 W2105865 1 Coolant From Engine 2 Coolant to the DEF Return...

Page 41: ...are represented as accurately as possible Special Tools W2006113 W2006115 W2006116 W2006114 85111500 Voss Pliers 85111501 Voss Straight Drift 85111502 Voss Elbow Drift 85111503 Voss Handle Fittings W...

Page 42: ...cial serrated jaws W2006150 3 The Nylon end can be pressed in with a small arbor press or a small hammer if used carefully The Nylon tubing should stick out of the pliers about 1 4 inch Note For ease...

Page 43: ...taken to not damage the tubing by excessive clamp force 8 Make sure the proper sized end is used for the selected Nylon tubing Notes Mack Body Builder Instructions CHU CXU GU TD MRU LR USA139046859 D...

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