JLG TF6-42 Service Manual - Manuale (Pagina 658)

T12000 ID 04/99 3-4
Technical specifications
3.4 PRESSURE AND TEMPERATURE SPECIFICATIONS
• Normal operating temperature 70 - 120
°C (158 - 248 F) measured at temperature check port
converter out (port 71 - **).
• Maximum allowed transmission temperature 120
°C (248 F).
• Transmission regulator pressure (*) - (neutral) - port 31 (**).
- At 600 RPM min. 12.76 bar (185 PSI) minimum.
- At 2000 RPM: 19.31 bar (280 PSI) maximum.
• Pump flow (*)
- At 2000 RPM in neutral: 53 l/min. minimum (14 GPM).
• Clutch pressures (*)
- 1st clutch: port 41 (**).
- 2nd clutch: port 42 (**).
- 3rd clutch: port 43 (**).
- Forward High clutch: port 44 (**).
- Forward clutch: port 45 (**).
- Reverse clutch: port 46 (**).
At 1800 RPM :
- 16.5 - 19.3 bar (240 - 280 PSI) clutch activated.
- 0 - 0.2 bar (0 - 3 PSI) clutch released.
• Filter bypass valve set at 2.1 - 3.5 bar (*) (30 - 50 PSI).
• Lube pressure (*) (por t 33) 2.9 - 4.0 bar (42 - 58 PSI) at 49 l/min. (13 GPM) pump flow
(
±1850 RPM).
• Safety valve: cracking pressure (*) 8.27 - 10.20 bar (120 - 148 PSI), measured at port 32 with convertor out
shut off.
• Transmission out pressure (*) (port 32) 2.9-6.41 bar (42-93 PSI) at 49 l/min, (13 GPM) pump flow
(
±1850 RPM), and max. 8.27 bar (120 PSI) at no load governed speed.
(*) All pressures and flows to be measured with oil temperature of 82-93 °C (180-200 F)
(**) Refer to section 7 “Troubleshooting” for check port identification.