TUBE AS 3072923 - Caterpillar

Hydraulic Schematic HH500 CWH311-UP Harvester Head
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Hydraulic Pressure Settings for the HH700 Harvester Head
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Location of Test Points, Relief Valves and Pressure Reducers for the HH700 Harvester Head
Table 4
Function     Test Point     Reducer Valve     Reduced Pressure     Relief Valve     Relief Pressure    
Main pressure     PM     -     -     FC1    
33000 kPa (4785 psi)    
Forward feed     PL     -     -     FC4    
32000 kPa (4640 psi)    
Reverse feed     PL     -     -     FC2    
32000 kPa (4640 psi)    
Pilot pressure (1)     PS     -    
3500 kPa (500 psi)     -     -    
Holding arm     PL     R2    
16000 200 kPa (2320 30 psi)
Close     FC2    
21000 kPa (3045 psi)    
R3
7000 200 kPa (1015 30 psi)
Open     FC3    
12500 kPa (1800 psi)    
Delimbing knives     PL     R5    
16000 200 kPa (2320 30 psi)
Close     FC5    
21000 kPa (3045 psi)    
R6
7000 200 kPa (1015 30 psi)
Open     FC6    
12500 kPa (1800 psi)    
Felling link     P2     R1    
18000 200 kPa (2610 30 psi)     FC8    
21000 kPa (3045 psi)    
Feed roller arms     "PRM"     R4    
18000 200 kPa (2610 30 psi)
Rubber wheels     FC4    
21000 kPa (3045 psi)    
13000 200 kPa (1885 30 psi)
Steel rollers
Saw bar feed and return     SM     R8    
5000 to 5500 kPa (725 to 800 psi)     -     -    
Measuring wheel     MM     R7    
10000 kPa (1450 psi)     -     -    
( 1 ) A pressure tap must be installed before you perform the test.Hydraulic Schematic HH700 Harvester Head
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