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Paccar PX-9, Operator'S Manual

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Paccar PX-9 Operator'S Manual Download Page 69

using an ELC-specific test kit or

test strips.

4.

Keep the cooling system full by

topping-up using ELC pre-diluted to

a 50/50 blend, unless a different

ratio of water/antifreeze has been

substituted (depending on

operating conditions). 

NOTE

Inhibitor  concentration  level  deter-

mines  corrosion  protection.  If  you  are

concerned  about  possible  coolant

quality,  contamination,  or  mechanical

problems,  submit  a  coolant  sample  to

your  dealer  for  analysis.  Improper

maintenance  may  cause  coolant  deg-

radation and could result in damage to

the cooling system and engine compo-

nents. Consult your dealer or the cool-

ant  manufacturer's  representative  for

recommended  extended  life  coolant

test  kits,  test  strips,  and  laboratory

sample procedures.

Radiator Hoses

Perform these maintenance procedures

according to the Preventative Maintenance

Schedule.

1.

Check the following radiator hose

conditions:

•

Deterioration/signs of leaking

•

Hose clamp torque

Drive Belts

ENGINE MAINTENANCE - Maintenance Procedures

66

Y53-1185-1J1 (10/21)

2

Summary of Contents for PX-9

Page 1: ...Operator s Manual Operator s Manual 2022 Model Year Warranty 2021 Emissions...

Page 2: ......

Page 3: ...PX Operator Manual PACCAR PX 9 Engine...

Page 4: ......

Page 5: ...Engine Operation 1 Engine Maintenance 2 Engine Warranty 3 Contents...

Page 6: ...on this vehicle Please disregard any illustrations or descriptions relating to features or equipment which are not on this vehicle PACCAR reserves the right to discontinue change specifications or cha...

Page 7: ...Chapter 1 ENGINE OPERATION Safety Introduction 5 Emergency What To Do If 10 Operating Instructions 13 ENGINE OPERATION 4 Y53 1185 1J1 10 21 1...

Page 8: ...t into this manual to help you find what you need quickly and easily first is the Table of Contents Located at the front of the manual this table arranges the subject matter into chapters which can be...

Page 9: ...information that is not safety related but should be followed The alert will highlight things that may not be obvious and is useful to your efficient operation of the vehicle Example NOTE Pumping the...

Page 10: ...imits of its load ratings See the Weight Ratings label on the driver s door edge Every new vehicle is designed to conform to all Federal Motor Vehicle Safety Standards applicable at the time of manufa...

Page 11: ...rkplace is well ventilated Inhalation of fumes can cause death or personal injury To protect the environment liquid refrigerant systems must be properly emptied and filled using equipment that prevent...

Page 12: ...olant in accordance with local environmental regulations CAUTION Corrosive chemicals can damage the engine DO NOT use corrosive chemi cals on the engine Failure to comply may result in equipment or pr...

Page 13: ...udible tone will sound when a major engine problem exists Your vehicle will be equipped with one of the indicators above 1 or 2 depending on the engine model WARNING If the Stop Engine warning lamp il...

Page 14: ...and set the parking brake See Parking Brake Valve and Operating the Transmission in your vehicle Operator s Manual for transmission shifting and parking brake information 4 Turn OFF the engine 5 Turn...

Page 15: ...d high load driving Debris blocking air flow through the cooling module radiator If the engine coolant temperature warning lamp comes on and the audible alarm sounds showing an overheat condition or i...

Page 16: ...a warning icon turns on that re quires the engine to be shut off 2 Check to ensure the Oil Pressure Gauge reads normal 3 Make sure the engine fan is turning by switching the Engine Fan Switch from AU...

Page 17: ...age For engines with the engine protection shutdown feature enabled the stop engine lamp will begin to flash 30 seconds before the engine automatically shuts down The warning lamp alerts the operator...

Page 18: ...l be accompanied by a DPF Warmup popup see Flashing Amber Soot has filled the DPF The EAS will now derate the engine 1 A parked regeneration must be performed see Flashing Red DPF is critically full S...

Page 19: ...urrounding compo nents Failure to do so may result in property damage personal injury or death The purpose of the High Exhaust System Temperature HEST warning light is to notify the operator to high t...

Page 20: ...tart lamp will flash for 2 minutes Once the lamp stops flashing the starting motor will be allowed to function Engine Braking System An engine compression brake is standard on the PX 9 engines Optiona...

Page 21: ...slip due to operation on slippery surfa ces Ideally on normal road surfaces you should slow your vehicle with the engine compression brake or exhaust brake where permitted by law and use the service...

Page 22: ...aust brake functions refer to the equipment manufacturer service information or contact a Cummins Authorized Repair Location NOTE The exhaust brake can only be activat ed when the accelerator pedal is...

Page 23: ...ompression brake Accelerator pedal is depressed Clutch pedal is depressed Engine speed falls below 800 rpm ABS control is active ECM recognizes a system problem CAUTION Operating the engine with a com...

Page 24: ...PACCAR engine associated with this manual does not require a break in procedure This section of the manual provides all of the necessary information required for proper engine operation Check the eng...

Page 25: ...allow the starter motor to cool down With the key in the ON position the engine warning lamps will come on momentarily and then go out The engine warning lamps include Engine Operation Symbols Check e...

Page 26: ...vironment such as from a fuel spill or gas leak NOTE IT IS THE RESPONSIBILITY OF THE OWNER AND OPERATOR TO OPER ATE THE VEHICLE IN A SAFE ENVI RONMENT Normal Starting Procedure Allow the Wait To Start...

Page 27: ...ON Engaging the starter motor for more than 30 seconds in any 5 minute peri od may cause it to overheat and can damage the starter motor If starter is engaged continuously for 30 seconds you must wait...

Page 28: ...ilable for this engine Contact a Cummins Authorized Repair Location for more information 3 Return to step 2 in the Normal Starting Procedure CAUTION The use of starting aids such as ether may result i...

Page 29: ...ak torque will shorten engine life to overhaul can cause serious engine damage and is considered engine abuse DO NOT operate the engine at full throttle operation below peak tor que rpm for more than...

Page 30: ...regeneration Refer to the operator manual for more details Long periods of idle time 3 hours or more may accelerate the build up of soot in the diesel particulate filter DPF especially in cold weather...

Page 31: ...mitters etc can generate and use radio frequency energy that may cause electromagnetic interference EMI between the accessory and the electronically controlled fuel system Under these conditions PACCA...

Page 32: ...d surfaces with poor traction wet icy or snow covered roads or in heavy traffic There may not be enough weight on the rear axle to pro vide traction Braking caused by the normal operation of the engin...

Page 33: ...h the forces pushing a vehicle down a grade are equal to the forces holding it back Do Not Exceed Governed Engine Speed OK OK RPM 2100 2300 1 2 3 3 4 5 R RPM 1 2 3 4 4 5 R MPH 0 10 20 30 40 50 60 70 8...

Page 34: ...speed causes additional strain on valve train and internal engine com ponents Operate the engine within governed engine speed NOTE After you have determined what the safe speed is for your vehicle op...

Page 35: ...g down and letting the engine brake do the work Shift to a Lower Gear on Grade RPM 1 2 3 4 R 5 5 OK 2100 RPM 1 2 3 4 4 5 R MPH 0 10 20 30 40 50 60 70 80 OK MPH 0 10 20 30 40 50 60 70 80 2100 If freque...

Page 36: ...e vehicle drive wheels begin to skid or if there is a fishtailing motion DO NOT activate the engine compression brake or exhaust brake If traction is maintained using the braking power of the engine a...

Page 37: ...il Capacities and Pressures 45 Engine Lubrication and Filter Intervals 46 Cooling System Maintenance 48 Engine Coolant Specifications 50 Extended Life Coolant 51 Fuel Recommendations 52 Warranty and t...

Page 38: ...ath personal injury equipment or property damage WARNING Exhaust fumes from the engine con tain carbon monoxide a colorless and odorless gas DO NOT breathe the en gine exhaust gas A poorly maintained...

Page 39: ...on page 36 Engine Oil Level on page 56 Cooling Fan on page 36 and Coolant Level on page 36 Aftertreatment Exhaust Piping on page 37 Air Intake Piping on page 37 How to Drain Moisture from Air Tank on...

Page 40: ...k is the correct fill point Aftertreatment Exhaust Piping This procedure should be followed as part of daily and refueling maintenance checks 1 Inspect for cracks 2 Inspect for clearance to other comp...

Page 41: ...Interval Miles Kilometers Hours Months A 7 500 12 000 250 3 B 15 000 24 000 500 6 C 30 000 48 000 1 000 12 1 year D 60 000 96 000 2 000 24 2 years E 150 000 241 500 4 500 48 4 years F 200 000 321 500...

Page 42: ...maintenance checks that are due for scheduled maintenance NOTE When using Biodiesel of any descrip tion reduce the maintenance interval time found in the following schedules by one half 50 NOTE This...

Page 43: ...ace Exhaust System Check for Leaks Exhaust System Replace Flex Pipe s Air System Compressor Air Compressor on page 70 Check Air Cleaner on page 70 Air Compressor Discharge Lines Charge Air System Char...

Page 44: ...n page 70 Rubber Type Check Crankshaft Vibration Damper on page 70 Viscous Type Check Drive Belts Engine Belt Checks on page 67 Fan Belt Tensioner If So Equipped on page 68 Engine Lubrication Replace...

Page 45: ...rical components exhaust brake charge air cooler radiator air compressor air cleaner refrigerant compressor and fan clutch 2This work should be performed by a Cummins authorized service facility Engin...

Page 46: ...eed the Fleetguard specifications CAUTION Use of non genuine PACCAR oil filters can cause severe engine damage Engine Lubricating Oil Recommendations and Specifications A major factor in maintaining e...

Page 47: ...ccompanying chart 10W 30 is recommended for normal engine operation and provides the best wear protection 15W 40 is compatible for improved engine durability at extremely high ambient temperatures 5W...

Page 48: ...icago IL 60602 312 827 8733 www enginemanufacturers org Aftermarket Oil Additive Usage PACCAR does not recommend the use of aftermarket oil additives Today s high quality engine lubricating oils are v...

Page 49: ...use of Centinel or any type of blending is prohibited Maintaining the correct oil and filter change interval is a vital factor in preserving the integrity of an engine Lubricating oil filters must be...

Page 50: ...000 1 200 1 200 1 200 Cummins Inc bases the oil drain specifications on duty cycle and oil contamination This contamination occurs in all engines at varying rates regardless of the drain interval Main...

Page 51: ...rited organic acid technology NOAT extended life coolant ELC formulation at a 50 50 coolant to distilled water mixture The factory fill meets or exceeds ASTM D6210 and Cummins Engineering Standard 146...

Page 52: ...rform a visual inspection of the coolant It should have no cloudiness or floating debris Determine the chemical inhibitor concentration level by using an extended life coolant specific test kit or tes...

Page 53: ...ealing additives CAUTION The use of sealing additives or soluble oils in the cooling system can cause damage to the engine These additives can plug various areas of the radiator EGR system and oil coo...

Page 54: ...y and freeze protection is critical to engine and cooling system component health and longevity The change interval for extended life coolant containing nitrite and molybdate is 750 000 miles 1 200 00...

Page 55: ...fuel can reduce economy or possibly damage fuel system com ponents Unapproved fuels typically do not have enough lubricity elements in the fuel to properly lubricate the fuel injection system Be sure...

Page 56: ...High Frequency Reciprocating Rig HFRR in which the fuel must have a wear scar diameter of 0 02 in 0 5 mm or less The use of Ultra low sulfur diesel ULSD fuel is required for this engine in order to me...

Page 57: ...s should also be aware that biodiesel energy content by volume is lower than diesel which can reduce fuel economy by up to two percent Recommendations to Avoid Fuel Gelling To avoid fuel gelling in co...

Page 58: ...cification limits of this stand ard are identical to ISO 22241 1 PACCAR Inc is not responsible for failures or damage resulting from what PACCAR Inc determines to be abuse or neglect including but not...

Page 59: ...g off engine After the engine is shut off it will take at least 15 minutes for all the engine oil to return to the sump NOTE It takes approximately 15 minutes for all the oil to run into the sump when...

Page 60: ...in the correct quantity 2 After topping up wait one minute and check the oil level again 3 Reinstall the oil fill cap and twist to lock it in place Engine Oil Filter Always use quality engine lubrica...

Page 61: ...e en gine is running Disconnecting the bat tery clamps while the engine is running may result in death personal injury or equipment damage from electrical arc ing or damage to electrical compo nents 1...

Page 62: ...ndations and Specifications on page 43 for oil specifications CAUTION The lubricating oil filter should be full of oil at start up to prevent engine damage NOTE Lubricating oil filters must have a fil...

Page 63: ...rt number PACCAR periodi cally changes its filter design and fil ters of different part numbers are not interchangeable Use of incorrect filter part numbers or non genuine filters can result in low pr...

Page 64: ...or property damage WARNING Turn off the engine and place the igni tion switch in the OFF position before disconnecting the battery clamps DO NOT place any tools or other materials on top of or close...

Page 65: ...Loosen and remove the fuel filter carefully Use a strap wrench towards the top of the fuel filter to remove the canister 6 Make sure the O ring does not stick to the fuel filter head Remove the O ring...

Page 66: ...en serviced or repaired it will be necessary to prime the fuel system WARNING The fuel pump high pressure fuel lines and fuel rail contain very high pressure fuel To reduce the possibility of personal...

Page 67: ...It may be necessary to repeat this process two or three times 8 Remove the diagnostic fuel line NOTE If the air is not properly purged from the fuel system the engine will be diffi cult to start but...

Page 68: ...Schedule NOTE Test the engine coolant at least twice per year to determine if the coolant must be replaced If it is determined that the coolant should be replaced make sure to flush the coolant syste...

Page 69: ...lant sample to your dealer for analysis Improper maintenance may cause coolant deg radation and could result in damage to the cooling system and engine compo nents Consult your dealer or the cool ant...

Page 70: ...pe of belts as the ones replaced Engine Belt Checks Perform this maintenance procedure at the mileage or engine hours specified in the Preventative Maintenance Schedule 1 Inspect the engine belts for...

Page 71: ...in socket Remove the fan and store it temporarily where it cannot be damaged 3 Place a flex bar with a 15 mm socket on the fastener securing the automatic belt tensioner s roller as shown in the image...

Page 72: ...18 UNC 2A on Horton fans or 3 8 24UNF 2A on Borg Warner fans with nylon patch lock nuts 4 Reconnect the electrical ground wire to the battery Diesel Exhaust Fluid DEF Filter Access Perform these main...

Page 73: ...tion deterioration signs of leaking Hose clamps for tightness Clearance to other components Charge Air Cooler Perform these maintenance procedures according to the Preventative Maintenance Schedule 1...

Page 74: ...orque or reuse existing flange head bolts These bolts are fac tory set to the specified torque If bolts are loose or damaged they must be replaced with the new bolts Failure to comply may result in eq...

Page 75: ...Authorized Repair Location 1 Date of manufacture 2 Engine serial number ESN 3 Engine model information 4 Fuel rate 5 Control parts list CPL 6 Idle speed 7 Valve lash 8 Advertised horsepower and rpm ra...

Page 76: ...ine Control Module Dataplate NOTE Not all engines have ECM data plates The engine control module ECM dataplate is located on the front of the ECM The following information is found on the engine contr...

Page 77: ...replacement Part number Serial number Date code Variable Geometry Turbocharger Dataplate The Holset variable geometry turbocharger VGT dataplate is located on the turbocharger inlet compressor housin...

Page 78: ...ENGINE MAINTENANCE Engine Identification Y53 1185 1J1 10 21 75 2...

Page 79: ...Chapter 3 ENGINE WARRANTY United States and Canada Engine Warranty 77 ENGINE WARRANTY 76 Y53 1185 1J1 10 21 3...

Page 80: ...icating oil antifreeze filter elements belts hoses and other maintenance items that are not reusable due to the warrantable failure PACCAR will pay for reasonable labor costs for engine removal and re...

Page 81: ...aterial or factory workmanship are not covered by this warranty PACCAR is not responsible for failures or damage resulting from what PACCAR determines to be abuse or neglect including but not limited...

Page 82: ...INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO LOSS OF INCOME OR LOST PROFITS ENGINE OR VEHICLE DOWNTIME THIRD PARTY DAMAGE INCLUDING DAMAGE OR LOSS TO OTHER ENGINES VEHICLES OR PROP...

Page 83: ...such facility The warrantable failure must be brought to the attention of a PACCAR authorized engine dealer within 30 days of discovery Except for engines disabled by a warrantable failure owner must...

Page 84: ...year from the date of delivery of the engine to the first purchaser or first lessee Parts used to repair a warrantable failure may be new parts approved rebuilt parts or repaired parts PACCAR is not r...

Page 85: ...and each subsequent purchaser that the engine is designed built and equipped so as to conform at the time of sale by PACCAR with all U S Federal emission regulations applicable at the time of manufac...

Page 86: ...a timely manner unauthorized modifications of the engine PACCAR is also not responsible for failures caused by incorrect oil or fuel or diesel exhaust fluid or by water dirt or other contaminants in...

Page 87: ...km from the date of delivery of the engine to the first purchaser or first lessee Where a warrantable condition exists PACCAR will repair your engine at no cost to you including diagnosis parts and la...

Page 88: ...elements of heat exchanger and pipe DEF tank and lines DEF tank heater coolant control valve DEF temperature sensors Diesel Exhaust Fluid DEF dosing unit Pump Diesel oxidation catalyst Diesel particul...

Page 89: ...to use parts other than new or genuine approved rebuilt parts and assemblies for such maintenance replacement or repair however the cost of such service or parts and subsequent failures resulting from...

Page 90: ...tices failure to perform regeneration in a timely manner unauthorized modifications of the engine PACCAR is also not responsible for failures caused by incorrect oil or fuel or diesel exhaust fluid or...

Page 91: ...EHICLES OR PROPERTY ATTACHMENTS TRAILERS AND CARGO LOSS OR DAMAGE TO PERSONAL CONTENTS COMMUNICATION EXPENSES LODGING AND OR MEAL EXPENSES FINES APPLICABLE TAXES OR BUSINESS COSTS OR LOSSES ATTORNEYS...

Page 92: ...ENGINE WARRANTY United States and Canada Engine Warranty Y53 1185 1J1 10 21 89 3...

Page 93: ...n Damper 70 D Diesel Exhaust Fluid 37 Diesel Exhaust Fluid DEF Lamp 16 Diesel Exhaust Fluid filter access 69 Diesel Fuel 60 Drive Belts 66 Driving 21 E ELC 65 Electrical Harness Cables 70 Electromagne...

Page 94: ...eneral Safety Instructions 7 H High Exhaust System Temperature HEST Warning Light 16 I Idling in Freezing Temperatures Extended 27 Illustrations 7 Install Fuel Filter 62 M Maintenance Schedule Interva...

Page 95: ...own or Oil Change 25 Stop Engine Lamp 10 14 T Topping Up the Engine Oil 57 U ULSD 52 Ultra Low Sulfur Diesel 52 Using this Manual 5 V Visual Inspection of Engine 36 W Warning Lights Diesel Particulate...

Page 96: ...Index...

Page 97: ...te of California to cause cancer and birth defects or other reproductive harm Always start and operate the engine in a well ventilated area If in an enclosed area vent the exhaust to the outside Do no...

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