Engine Performance - Test - Engine Speed

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390D L Excavator WAP00001-UP (MACHINE) POWERED BY C18 Engine(SEBP... Page1 sur 2

Shutdown SIS Previous Screen

Welcome: k646te
Pr oduct : EXCAVATOR Model: 390D L EXCAVATOR WAP00530 Conf igurat ion: 390D L Ex cav at or WAP00001- UP ( MACHI NE) POWERED BY C18 Engine

Te st in g a n d Adj u st in g
3 9 0 D Exca va t or H ydr a u lic Sy st e m
M e dia N u m be r - KEN R7 7 3 5 - 0 4 Pu b lica t ion D a t e - 0 1 / 0 1 / 2 0 1 3 D a t e Upda t ed - 2 9 / 0 1 / 2 0 1 3

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Engine Performance - Test - Engine Speed
SMCS - 1000-081

Note: Use the Caterpillar Electronic Technician (Cat ET) or a Multitach in order to monitor engine speed. Table 1 Required Tools (Multitach) Part Number 9U-7400 Description Multitach Tool Gp Required Tools (Cat ET) 275-5120 Communication Adapter As 1 Qty 1

1. Position the machine on level ground. 2. Stop the engine. 3. Install 9U-7400 Multitach Tool Group on the engine or install Cat ET to the service connector behind the cab. 4. Start the engine. 5. Place the hydraulic activation control lever in the UNLOCKED position. 6. Increase the hydraulic oil temperature to 55° ± 5°C (131° ± 9°F). 7. Read the engine speed display (rpm) on the multitach or read the engine speed on the laptop computer by using Cat ET. Refer to Table 2 for the specifications for engine speed at the desired engine operation. Table 2

https://sis.cat.com/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/s... 16/11/2013

390D L Excavator WAP00001-UP (MACHINE) POWERED BY C18 Engine(SEBP... Page2 sur 2

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Specifications New 1960 ± 50 rpm (2) Rebuild ServiceLimit 1760 to 2010 rpm (2) 1680 to 1930 rpm (3) 1300 ± 100 rpm 1000 ± 100 rpm 1100 ± 100 rpm 1670 rpm (6) 1860 rpm (6) 1620 rpm (6) 1810 rpm (6)

High Idle (1) 1880 ± 50 rpm (3) AEC reduced speed.(4) Low Idle One Touch Low Idle Maximum speed with load (5)
( 1) ( 2) ( 3) ( 4) ( 5) ( 6)

1300 ± 50 rpm 1000 ± 50 rpm 1100 ± 50 rpm "HPC OFF" "HPC - ON" 1720 to 1800 rpm 1910 to 1990 rpm

AEC switch in the OFF position Engine rpm within 3 seconds after the engine speed dial was placedat position "10" 3 secondsafter the engine speed dial was placed at position "10" AEC switch in the ON position Pressureis relieved from both pumps. Minimum

Note: A New specification is the performance that can be expected for a newmachine. A Rebuild specification is the performance that can be expected afterthe components of a system are rebuilt. Performance beyond the Service Limit is an indication of these problems: improper maintenance or adjustment, component wear and failure.
Copyr ight 1993 - 2013 Cat erpillar I nc. All Right s Reser ved. Priv at e Net w or k For SI S Licensees. Sat Nov 16 00: 56: 16 UTC+ 0100 2013 k 646t e

https://sis.cat.com/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/s... 16/11/2013

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