BUCKET AS-EXCAVATION 2298045 - Caterpillar

Table 1
Required Tools    
Part Number    Description    Qty    
9U-7400     Multitach Tool Group     1    
Position the machine on level ground.
Stop the engine.
Install 9U-7400 Multitach Tool Group on the engine.
Start the engine.
Increase the hydraulic oil temperature to 55° 5°C (131° 9°F).
Read the engine speed display (rpm) on the multitach. Refer to Table 2 for the specifications for engine speed at the desired engine operation.
Table 2
Item    Specifications    
New Rebuild    Service Limit    
No load high idle (1)     1880 50 rpm (2)     1680 to 1930 rpm (3)    
1800 50 rpm (3) 1600 to 1850 rpm (2)    
No load speed (4)     1300 50 rpm     1300 100 rpm    
No load low idle     950 50 rpm     950 100 rpm    
One Touch Low Idle     1100 50 rpm     1100 100 rpm    
Maximum speed with load (5)     1750 rpm 50 rpm    
( 1 ) AEC switch in the OFF position
( 2 ) Engine rpm within 5 seconds after the engine speed dial was placed at position "10"
( 3 ) Five seconds after the engine speed dial was placed at position "10"
( 4 ) AEC switch in the ON position
( 5 ) Pressure is relieved from both pumps (stall condition).Note: A New specification is the performance that can be expected for a new machine. A Rebuild specification is the performance that can be expected after rebuilding the components of a system. Performance beyond the Service Limit is an indication of these problems: improper maintenance or adjustment, component wear and failure.