Service Manual

Rev. E
Groundsmaster 580-D
Page 4 - 36.1
PTO System Repairs
PTO Valve Block Service (S/N 50001 & UP)
3
6
1
4
2
5
Loctite 242
Torque to 15 in-lbs
Torque to 35 ft-lbs
Torque to 60 ft–lbs
Torque to 65 ft–lbs
Torque to 35 ft-lbs
Torque to 35 ft-lbs
(47.5 N–m)
(47.5 N–m)
(47.5 N–m)
(88.1 N–m)
(81.4 N–m)
(1.7 N–m)
Figure 27A
1. Solenoid valve (SV2 shown) 4. Brake relief cartridge (R2BR shown)
2. Bypass (main) relief cartridge (R3BY shown) 5. Brake logic cartridge (BR2 shown)
3. Bypass (main) logic cartridge (BY2 shown) 6. Orifice