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degradation and could result in damage to
the cooling system and engine
components. Consult your dealer or
the coolant manufacturer’s representative
for recommended extended life coolant test
kits, test strips, and laboratory sample
procedures.

Coolant Extender

Add extended life coolant extender, if
necessary, according to the corrosion
inhibitor concentration required. DO NOT
add coolant extender to nitrite-free coolant.

Checking Coolant Level

Check the coolant level daily. See

on page 33.

CAUTION

When adding coolant, avoid mixing dif-
ferent  brands  and  formulations.  If  the
coolant  is  mixed  with  more  than  25%
of a different formulation (for example,
mixing  OAT  and  NOAT  coolants),  en-
gine  corrosion  damage  could  occur.  If
mixing  exceeds  25%  of  total  system
volume,  it  is  recommended  to  flush

and refill the system completely with
one type of coolant.

Cooling System Sealing Additives

and Soluble Oils

OK

1

1.

Do not use soluble oils or sealing
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  cooler.  The  plug-
ging of the cooling system can hamper
heat  transfer,  causing  internal  engine
damage.  DO  NOT  use  sealing  addi-
tives or soluble oils in the cooling sys-
tem. The use of sealing additives can:

•

Build up in coolant low-flow
areas

•

Plug the radiator and oil cooler

•

Damage the water pump seal

•

Damage heat transfer surfaces

•

Damage seals and hoses

•

Corrode brass and copper

Failure to comply may result in equip-
ment or property damage.

Engine Coolant
Specifications

Engine Coolant Specifications for
PACCAR PX-7

Coolant Capacity
(engine only)

3.0 gal (11.5 liters)

Standard
modulating
thermostat range

186-207°F
(86-97°C)

Minimum
recommended
pressure cap

15 psi (103 kPa)

ENGINE MAINTENANCE - Engine Coolant Specifications

48

Y53-1183-1G1 (05/19)

2

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Содержание PX-7

Страница 1: ...Operator s Manual Operator s Manual 2019 2020 Model Years 2017 Emissions Warranty...

Страница 2: ......

Страница 3: ...Engine Operation 1 Engine Maintenance 2 Engine Warranty 3 Contents...

Страница 4: ......

Страница 5: ...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...

Страница 6: ...Chapter 1 ENGINE OPERATION In this Chapter Safety Introduction 5 Emergency What To Do If 10 Operating Instructions 13 ENGINE OPERATION 4 Y53 1183 1G1 05 19 1...

Страница 7: ...uilt into this manual to help you find what you need quickly and easily First is the Quick Table of Contents Located at the front of the manual this lists the main subjects covered and gives section n...

Страница 8: ...property damage Notes The message following this symbol and signal word provides important information that is not safety related but should be followed The alert will highlight things that may not b...

Страница 9: ...cedures when they apply Keep in mind that even a well maintained vehicle must be operated within the range of its mechanical capabilities and the limits of its load ratings See the Weight Ratings labe...

Страница 10: ...se death or personal injury Always wear protective clothing when working on any refrigerant lines and make sure that the workplace is well ventilated Inhalation of fumes can cause death or personal in...

Страница 11: ...e ignition or governor Coolant is toxic If not reused dispose of coolant in accordance with local environmental regulations CAUTION Corrosive chemicals can damage the engine DO NOT use corrosive chemi...

Страница 12: ...mp will illuminate and an audible 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...

Страница 13: ...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...

Страница 14: ...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 if...

Страница 15: ...e 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 AUTO to MAN Manual 4 Idle the engine to see...

Страница 16: ...gines 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 to the imp...

Страница 17: ...unding components in cluding enclosures and steps will be elevated during and shortly after a re generation event or normal vehicle op eration when engine is under high or heavy loading If the High Ex...

Страница 18: ...has detected a situation where the starter is too hot and needs to cool down Alternatively you may see it when the engine grid heater is on and needs some time to warm up PACCAR PX and Cummins ISL en...

Страница 19: ...death personal injury equip ment or property damage CAUTION DO NOT operate the engine brake un til the engine oil temperature is above 86 F 30 C Operation below 86 F 30 C could cause severe damage to...

Страница 20: ...active ECM recognizes a system problem CAUTION Operating the engine with a compres sion brake that will not automatically deactivate i e when the dash switch is OFF clutch pedal is depressed or throt...

Страница 21: ...ine 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 engine oil pre...

Страница 22: ...system could be ingested into the en gine causing the engine to suddenly accelerate and overspeed This condi tion could result in the operator losing control of the vehicle if an unexpected increase i...

Страница 23: ...Procedure Allow the Wait To Start warning lamp to turned off Engine Wait To Start Lamp on page 16 Follow this engine starting procedure when the outside temperature is above 50 F 10 C 1 Ensure the par...

Страница 24: ...rating temperature Do not let the engine idle longer than necessary If the vehicle cannot be driven an elevated idle speed may be used instead to warm the engine CAUTION DO NOT operate the engine at l...

Страница 25: ...gine at full throttle operation below peak tor que rpm for more than 30 seconds Failure to comply may result in equip ment or property damage PACCAR engines are designed to operate at full throttle un...

Страница 26: ...turns ON and the driver is prompted to through driver notifications perform a parked DPF Regeneration CAUTION If you ignore the warning lamp and do not initiate regeneration at the soon est safest pos...

Страница 27: ...mage to the turbocharger and shorten the turbo charger life Electromagnetic Interference If not installed correctly some vehicle accessories CB radios mobile transmitters etc can generate and use radi...

Страница 28: ...hen driving operating your vehicle bobtail or with a loaded or un loaded trailer on road surfaces with poor traction wet icy or snow cov ered roads or in heavy traffic There may not be enough weight o...

Страница 29: ...NING DO NOT use the engine brake when operating on road surfaces with poor traction such as wet icy or snow cov ered roads or gravel Retarders can cause the wheels to skid on a slippery surface You co...

Страница 30: ...hicle service brakes must be used when additional braking power is required Slow Down Around Curves 25 MPH The engine brake is NOT intended as the primary brake for the vehicle nor is it an emergency...

Страница 31: ...a loss of vehicle control which may result in an acci dent involving death or personal injury When driving on slick roads start with the ON OFF switch in the OFF position and the two position selector...

Страница 32: ...Oil Recommendations and Specifications 40 Engine Oil Capacities and Pressures 42 Engine Lubrication and Filter Intervals 43 Cooling System Maintenance 46 Engine Coolant Specifications 48 Extended Lif...

Страница 33: ...Diesel Exhaust Fluid Recommendations and Specifications 52 Maintenance Procedures 54 Engine Identification 69 ENGINE MAINTENANCE Y53 1183 1G1 05 19 31 2...

Страница 34: ...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 damaged or corroded...

Страница 35: ...Separator This procedure should be followed as part of daily and refueling maintenance checks 1 Drain trapped water if equipped Cooling Fan This procedure should be followed as part of daily and refue...

Страница 36: ...ipe condition deterioration signs of leaking Air Intake Piping This procedure should be followed as part of daily and refueling maintenance checks 1 Inspect hose pipe condition deterioration signs of...

Страница 37: ...00 250 3 B 15 000 24 000 500 6 C 15 000 24 000 500 12 1 year D 30 000 48 000 1 000 12 1 year E 60 000 96 000 2 000 N A F 75 000 120 000 2 500 N A G 150 000 241 500 5 000 48 4 years H 200 000 321 500 6...

Страница 38: ...o adjust mileage kilometer hour or time interval based on the En gine Lubrication and Filter Intervals NOTE Due to the design of the crankcase ventilation module routine service of this component is n...

Страница 39: ...ranking System Electrical Harness Cables on page 68 Batteries Cables and Connections on page 68 Cooling System Coolant Antifreeze Condition on page 64 Check Radiator Hoses on page 65 Radiator Pressure...

Страница 40: ...pin On Type Replace Fuel Filter Interval on page 52 Mounting Bolts Engine Mounting Bolts on page 68 Overhead Set Valves Adjust Engine Brake Assembly Adjust Engine Steam Clean Check 1 Follow the manufa...

Страница 41: ...erature for unaided cold start 10 F 12 2 C Typical engine cranking speed 120 rpm Overhead adjustment Intake valve adjustment 0 010 in 0 254 mm Exhaust valve adjustment 0 026 in 0 660 mm Filter Specifi...

Страница 42: ...gine warranty is not affect ed The primary PACCAR recommendation is for the use of SAE 10W 30 API CK 4 or CJ 4 multigrade lubricating oil for normal operation at ambient temperatures above 5 F 15 C Fo...

Страница 43: ...OTE Any of the oil weights listed in the chart above are acceptable to use as long as the oil meets API CK 4 CJ 4 oil specifications New Engine Break In Oils PACCAR does not approve the use of special...

Страница 44: ...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 very sophistica...

Страница 45: ...cle one of those listed below Refuse truck Mixer truck or dump truck If Yes select the correct oil drain interval from Table 2 If No is the vehicle one of those listed below If the vehicle type is not...

Страница 46: ...000 mi 14 500 km 500 hours 12 months or 2 000 gallons 7 571 liters of fuel whichever comes first If equipped with a 15 qt 14 2 liter oil pan1 15 000 mi 24 000 km 500 hours 12 months or 2 000 gallons...

Страница 47: ...00 19 000 550 12 Above 25 mph average 12 000 19 000 500 12 16 000 25 750 550 12 Table 3 Oil Drain Interval With 15 qt 14 2 liter oil pan With 19 qt 18 liter oil pan Vehicle Equipment Miles Kilometers...

Страница 48: ...coolant that meets or exceeds all ASTM D6210 and Caterpillar EC 1 requirements PACCAR recommends only using a 50 50 mixture of distilled water and ELC when cooling system service is required A 50 50...

Страница 49: ...er to determine glycol level Add coolant to obtain the coolant water ratio required to provide the protection you need A 50 50 mix of coolant and water is adequate for most applications For extremely...

Страница 50: ...type of coolant Cooling System Sealing Additives and Soluble Oils OK 1 1 Do not use soluble oils or sealing additives CAUTION The use of sealing additives or soluble oils in the cooling system can ca...

Страница 51: ...ritical to engine and cooling system component health and longevity The change interval for extended life coolant containing nitrite and molybdate is 750 000 miles 1 200 000 km or 12 000 hours of on r...

Страница 52: ...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...

Страница 53: ...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 meet e...

Страница 54: ...economy by up to two percent Recommendations to Avoid Fuel Gelling To avoid fuel gelling in cold weather Use appropriate fuel grade blend for conditions Spec your vehicle with proper cold weather equ...

Страница 55: ...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...

Страница 56: ...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...

Страница 57: ...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 lubricating oils in conjunction with the appropriate oil dr...

Страница 58: ...tly under the oil filter Oil Filter Removal CAUTION DO NOT replace the engine oil filter and fuel filters at the same time Doing so may lead to a dry start condition where the engine starts before ade...

Страница 59: ...O ring onto the lower cap 4 Tighten the lower cap 1 4 turn to lock the full flow oil filter in place 5 Install the new centrifugal oil filter element onto the centrifuge base Installing Centrifugal O...

Страница 60: ...ity of oil 3 Make sure that all electrical components are switched OFF and the vehicle s transmission is in the neutral gear position before starting the engine 4 Start and run the engine at idle spee...

Страница 61: ...ater in fuel sensing automatic water draining lifetime purification of drained water with a charcoal filter 12V preheating and system manual priming in a singular easy to service module Replace the su...

Страница 62: ...ensure dirt does not fall into the fuel module CAUTION Dirt in the fuel system can lead to sig nificant damage to the fuel system Failure to comply may result in equip ment or property damage 2 Loosen...

Страница 63: ...gnition switch to the ON po sition every 2 minutes to power the electric lift pump until fuel appears in the chassis mounted fuel filter housing and a solid stream of fuel flows out of the vent then s...

Страница 64: ...increase indicating air is being bled from the system but the full time is required to fully prime the fuel system CAUTION Operate priming pump at a maximum rate of 30 strokes per minute to pre vent d...

Страница 65: ...ng WARNING DO NOT loosen any fuel line fittings in order to bleed the fuel system of air The system is under high pressure which when relieved could cause death personal injury equipment or property d...

Страница 66: ...ned that the coolant should be replaced make sure to flush the coolant system Contact a PACCAR Authorized Re pair Location for flushing the coolant system 1 Check the following anti freeze conditions...

Страница 67: ...ar deterioration Alignment Fan Belt Tensioner Perform these maintenance procedures according to the Preventative Maintenance Schedule 1 Check and correct fan belt tensioner Mounting bolt torque Tensio...

Страница 68: ...ing the belt carefully allow the belt tensioner to spring back to its normal position If the tensioner had been temporarily blocked relieve tensioner pressure enough to remove the locking pin then all...

Страница 69: ...hen allow the cover plate to drop down Air Compressor Perform these maintenance procedures according to the Preventative Maintenance Schedule 1 Check and correct for carbon buildup Air Intake System A...

Страница 70: ...s Inspect for loose connections corrosion chafing and broken retention clips Batteries Cables and Connections Perform these maintenance procedures according to the Preventative Maintenance Schedule 1...

Страница 71: ...ovides important details about the engine This label is located on top of the engine valve cover PX 7 or on the front timing gear cover PX 9 The engine EPA label must not be changed unless approved by...

Страница 72: ...ACCAR 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...

Страница 73: ...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...

Страница 74: ...n servicing or replacement Part number Serial number Date code Variable Geometry Turbocharger Dataplate The Holset variable geometry turbocharger VGT dataplate is located on the turbocharger inlet com...

Страница 75: ...ENGINE MAINTENANCE Engine Identification Y53 1183 1G1 05 19 73 2...

Страница 76: ...Chapter 3 ENGINE WARRANTY In this Chapter United States and Canada Engine Warranty 75 ENGINE WARRANTY 74 Y53 1183 1G1 05 19 3...

Страница 77: ...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 reinstalla...

Страница 78: ...rial 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 to...

Страница 79: ...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...

Страница 80: ...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...

Страница 81: ...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...

Страница 82: ...rranty If the vehicle in which the engine is installed is registered in the state of California a separate California Emissions Control Warranty Statement on page 81 also applies See California Emissi...

Страница 83: ...warrant services to remove ash from the DPF either at or before a regular service interval as indicated in the maintenance schedule or when the system indicates that the DPF requires cleaning unless t...

Страница 84: ...exceed 30 days PACCAR recommends that you retain all receipts covering maintenance on your engine but PACCAR cannot deny warranty solely for the lack of receipts or for the failure to ensure the perfo...

Страница 85: ...haust gas pressure sensor Exhaust manifold Grid heater Intake manifold Intake manifold temperature pressure sensor Throttle actuator valve Turbocharger actuator Turbocharger assembly Turbocharger comp...

Страница 86: ...tor using new or genuine PACCAR approved rebuilt parts and assemblies PACCAR will repair any of the emission control parts found by PACCAR to be defective without charge for parts or labor including d...

Страница 87: ...assemblies replaced during Scheduled Maintenance of the engine as specified in PACCAR Operator s Manuals PACCAR does not warrant antifreeze lubricants filters filter elements or any other part which...

Страница 88: ...2 Crankshaft Vibration Damper 68 D Diesel Exhaust Fluid 34 Diesel Exhaust Fluid DEF Lamp 15 Diesel Exhaust Fluid filter 66 Diesel Fuel 59 Diesel Particulate Filter DPF Warning Lamp 15 Drive Belts 65 D...

Страница 89: ...l 60 Fuel Filter Service Interval 52 Fuel Gelling 52 Fuel Recommendations 50 Fuel System Priming 62 G General Safety Instructions 7 H High Exhaust System Temperature HEST Warning Lamp 15 I Idling in F...

Страница 90: ...er 56 57 Replace Engine Oil 58 Roadside Assistance 10 Run Out of Fuel 62 S Safety 5 Safety Alerts 5 Starting After the Fuel Tank Has Run Dry 62 Starting Procedure After Extended Shutdown or Oil Change...

Страница 91: ......

Страница 92: ...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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