ROLLER AS 1R1312 - 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)     2210 60 rpm     2010 to 2270 rpm    
No load low idle     1000 60 rpm     1000 100 rpm    
Maximum speed with load (2)     2100 rpm (3)     2050 rpm (3)     2000 rpm (3)    
No load speed (4)     1000 50 rpm     1000 100 rpm    
( 1 ) Low idle switch OFF
( 2 ) Pressure is relieved from both pumps (stall condition).
( 3 ) Minimum rpm
( 4 ) Low idle switch ONNote: 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.