Install all accessories and brackets that were removed from the previous engine. NOTE: On applications where the rear engine mounts are attached to the transmission, it may be necessary to install the engine and transmission as an assembly. Warning: The engine lifting equipment must be designed to safely lift the engine and transmission as anā¦ Read More »
Inspect all rubber-cushioned mounts for cracks or damĀage. Inspect all mounting brackets for cracks or damaged bolt holes. NOTE: Damaged engine mounts and brackets can cause engine misalignment, drive line components damage, and result in vibration complaints.
General Information The procedures required to replace an engine will vary with different engine models, the type of equipment, opĀtional equipment, and the shop facilities. Use the followĀing procedures as a guide: NOTE: All replacement steps will not apply to all types of equipment. Complete only the steps which apply to the equipment involved. Useā¦ Read More »
Remove all belts from the engine. Cover the following parts of the engine: ā¢ All pulley belt surfaces ā¢ Exhaust and intake openings ā¢ Electrical components ā¢ Fuel inlet and drain connections ā¢ Any exposed fittings, threads, and electrical wire terminals Warning: When using a steam cleaner, w ear protective clothing and sa fety glassesā¦ Read More »
On-High way Caution: Refer to General Engine Test Procedures – (Chassis Dynamometer) (8-05) before operating the enĀgine to avoid internal component damage. Operate the engine at 1,500 to 1,800 RPM in high gear for the first 80 to 160 kilometers [50 to 100 miles] after rebuild. NOTE: Do not idle the engine for more thanā¦ Read More »
Caution: Refer to General Engine Test Procedures – (Chassis Dynamometer) (8-05) before operating the enĀgine to avoid internal component damage. NOTE: Refer to Chassis Dynamometer Operation on page 8-20 for general operating procedures and safety precautions. NOTE: Operate the vehicle in a gear that produces a road speed of 90 to 95 km/h [55 toā¦ Read More »
The following procedure assumes that the lubricating oil and fuel systems were correctly primed, the dipstick calĀ ibrated, and the engine filled to the correct levels with lubricating oil and coolant during installation of the engine into the chassis. If these systems were not serviced durĀing installation of the engine, refer to Engine DynamomĀeter Testā¦ Read More »
The performance of an engine installed in on-highway vehicles can be tested on a chassis dynamometer. NOTE: Due to driveline efficiency and engine-driven accesĀsories, the engine horsepower when measured at the rear wheels will be reduced by approximately: ā¢ 20 percent for single axle vehicles ā¢ 25 percent for tandem axle vehicles NOTE: These percentagesā¦ Read More »
Make sure the air compressor will be unloaded during the performance check. Apply regulated air pressure of 655 kPa [95 psi] to the air compressor unloader (1). NOTE: The compressed air load in the accompanying illusĀtration must be attached to the air compressor outlet (2). Caution: Do not crank the engine for more than 30ā¦ Read More »
The engine run-in period allows the tester to detect assembly errors and to make final adjustments needed for performance that meets specifications. NOTE: The amount of time specified for the following engine run-in phases are minimums. Additional time can be used, if desired, at each phase except engine idle periods. Measurements from these indicators andā¦ Read More »