4586
Make: International Harvester
Model: 4586
Hydraulic System: Open Center System
Maximum Pressure: 2000 PSI
Maximum Flow: 19 GPM
In the 86 Series tractors with open center systems, the hydraulic system was not designed for continuous hydraulic demand at the remote valves. These tractors will require the Ace Pump IHK-86 kit for sprayer pump operation. Refer to Ace form 4013‑A for complete installation instructions. Reference the International Harvester Service Bulletin S‑3436 dated March 31, 1977.
Pump Model: FMC-HYD-310
Pump Model: FMC-200-HYD-310
Installation Instructions for Open Center System
1. Shut off all flow from ACE pump.
2. Install pressure gauge between pump and shut off valve.
3. Open Bypass Adjusting Screw 3 or 4 turns.
4. Set tractor throttle to speed at which you will be spraying.
5. Move hydraulic lever to "Lower/Retract" to start pump.
6. Turn Bypass Adjusting Screw clockwise until pressure gauge on sprayer reads between 60 and 100psi. Tighten jam nut.
7. Open sprayer agitation valve to get desired spraying pressure.