Mauldin 1560 - System-Specific Troubleshooting

28
Calder Brothers Corp
V1.0
Serial Number Range:
848-S-56TCG9Y2*03848 to _____________
Page 28
Model: 1560 Paver
C. Electrical System
D. Hydraulic System
Thoroughly review description of hydraulic system. Use logical steps to determine cause
of malfunction.
Identify the function or functions that require troubleshooting.
If possible, trace malfunction to source; pump, control, motor or cylinder. Determine pres-
sure operating the function as specied:
Hydraulic System Pressures
Priority circuit, triple gear pump 2,500 – 2,800 p.s.i.
Neutral Position Main circuit, Rexroth tandem pump up to 4,500 p.s.i.
Relief Pressure Charge circuit, Rexroth tandem pump 300 – 400 p.s.i.