General Hydraulic Specifications Table - Nilfisk-Advance SR 1900 Troubleshooting Manual

HYDRAULIC SYSTEM

GENERAL HYDRAULIC SPECIFICATIONS TABLE

Pump & Motor Circuits for all models
Main Broom @ sweep position (Std Broom with a 2.0"
pattern). Wet sweep Bypass (dust control off) & side
broom(s) off.
Dust Control Impeller On, machine high, all systems
running
Dust control Impeller On, machine high, all systems off
1 Side Broom (right) machine high, all systems running
2 Side Brooms machine high, all systems running
Dump Door (open/close time 2 – 3 sec.) nothing else
running
Hopper Lift (raise time 10/11 sec.) Empty
Hopper Lift (lower time 7 sec.) Empty
Steering System
Auxillary Pump Circuit Engine @ 2400rpms No
systems running (XT1)
Propulsion Pump Circuit
Hydrostatic pump
Wheel Motor@ 6.7mph level ground, smooth concrete,
no systems running, full speed forward
Hydrostat Charge
* 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
58 - FORM NO. 56043129 - SR 1900
RPM
DISPL in GPM
3
(in)
2.45 5.7 2800
.161 5.7 2800
161 5.7 2800
6.1 2.9 2800
6.1 2.9 2800
2800
2800
4.88 2.0 2800
1.02 10.6 2400
2.48 25.7 2400
22.8 16.7
RPM
PSI
(out)
405 1275
8900 1800
8900 1650
130 425
105 360
Open20Close/50
2875
380
150
*380
Fwd170
**600 - 700
Rev 90
100
Relief
PSI
2500
2500
2500
2500
2500
**1100
2500
3000