Nilfisk-Advance 56507009, Troubleshooting Manual

Page: 58 / 82

58 - FORM NO. 56043129 - SR 1900
HYDRAULIC SYSTEM
GENERAL HYDRAULIC SPECIFICATIONS TABLE
Pump & Motor Circuits for all models DISPL in
3
GPM
RPM
(in)
RPM
(out)
PSI
Relief
PSI
Main Broom @ sweep position (Std Broom with a 2.0”
pattern). Wet sweep Bypass (dust control off) & side
broom(s) off.
2.45 5.7 2800 405 1275 2500
Dust Control Impeller On, machine high, all systems
running
.161 5.7 2800 8900 1800 2500
Dust control Impeller On, machine high, all systems off 161 5.7 2800 8900 1650 2500
1 Side Broom (right) machine high, all systems running 6.1 2.9 2800 130 425 2500
2 Side Brooms machine high, all systems running 6.1 2.9 2800 105 360 2500
Dump Door (open/close time 2 – 3 sec.) nothing else
running
2800 Open20Close/50
Hopper Lift (raise time 10/11 sec.) Empty 2800 2875
Hopper Lift (lower time 7 sec.) Empty 380
Steering System 4.88 2.0 2800 150 **1100
Auxillary Pump Circuit Engine @ 2400rpms No
systems running (XT1)
1.02 10.6 2400 *380 2500
Propulsion Pump Circuit
Hydrostatic pump 2.48 25.7 2400 3000
Wheel Motor@ 6.7mph level ground, smooth concrete,
no systems running, full speed forward
22.8 16.7
Fwd170
Rev 90
**600 - 700
Hydrostat Charge 100
* The bypass pressure is the pressure reading with no motor or cylinder operating (flow through).
** Test conditions 70 degrees F, empty hopper, pedal ½ depressed & fully depressed.
Note: Pressure measurements taken at test Port XT1 location output of the accessory pump