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| Illustration 1 | g00811724 |
(A) 203-1506 Control Valve (Swing) (B) 203-1527 Control Valve (Travel Left) (C) 203-1527 Control Valve (Travel Right) (D) 203-1522 Control Valve (Stick) (E) 203-1522 Control Valve (Boom) (F) 203-1522 Control Valve (Saw Tilt) | |
| Line Relief Valve Pressures and Cycle Times for Machine | |||
| Item | Function | Pressure | Cycle Time (sec) |
| K | Boom Up | 38000 ± 700 kPa (5500 ± 100 psi) |
5.7 to 6.3 |
| L | Boom Down | 38000 ± 700 kPa (5500 ± 100 psi) |
4.3 to 4.9 |
| M | Stick In | 38000 ± 700 kPa (5500 ± 100 psi) |
2.9 to 3.5 |
| N | Stick Out | 38000 ± 700 kPa (5500 ± 100 psi) |
4.1 to 4.7 |
| O | Tool Tilt Raise | 38000 ± 700 kPa (5500 ± 100 psi) |
2.7 to 3.3 |
| P | Tool Tilt Lower | 38000 ± 700 kPa (5500 ± 100 psi) |
2.7 to 3.3 |
(1) Main relief valve pressure ... 34000 ± 300 kPa (4900 ± 40 psi)
(2) Torque for nut ... 60 ± 15 N·m (40 ± 10 lb ft)
(3) Torque for four bolts ... 49 ± 5 N·m (36 ± 4 lb ft)
(4) Torque for twenty bolts ... 86 ± 10 N·m (65 ± 7 lb ft)
Travel Valve (Right and Left Side)
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| Illustration 2 | g00811737 |
203-1527 Control Valve (Travel Left) (Travel Right) | |
| Line Relief Valve Pressures for Travel Motors | ||
| G | Forward Travel Left track |
38000 ± 700 kPa (5500 ± 100 psi) |
| H | Forward Travel Right track |
38000 ± 700 kPa (5500 ± 100 psi) |
| I | Reverse Travel Left track |
38000 ± 700 kPa (5500 ± 100 psi) |
| J | Reverse Travel Right track |
38000 ± 700 kPa (5500 ± 100 psi) |
(5) Torque for two valves ... 120 ± 30 N·m (90 ± 22 lb ft)
(6) Two 203-1529 Shims ... 0.4 mm (.02 inch)
(7) Torque for four bolts ... 25 ± 5 N·m (18 ± 4 lb ft)
(8) Torque for two bolts ... 9.5 ± 2 N·m (84 ± 18 lb in)
(9) Torque for two nuts ... 60 ± 15 N·m (44 ± 11 lb ft)
Swing Valve
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| Illustration 3 | g00811736 |
203-1506 Control Valve (Swing) | |
(10) Torque for two valves ... 120 ± 30 N·m (90 ± 22 lb ft)
(11) Two 203-1517 Shims ... 1.4 mm (.06 inch)
(12) Torque for four bolts ... 25 ± 5 N·m (18 ± 4 lb ft)
(13) Torque for two nuts ... 60 ± 10 N·m (44 ± 7 lb ft)
(14) Torque for two bolts ... 9.5 ± 2 N·m (84 ± 18 lb in)
Saw Tilt Valve, Boom Valve, and Stick Valve
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| Illustration 4 | g00811725 |
203-1522 Control Valve (Saw Tilt) (Stick) (Boom) | |
(15) Torque for two relief valves ... 120 ± 30 N·m (90 ± 22 lb ft)
(16) Two 8U-2274 Shims ... 1.0 mm (.04 inch)
(17) Two 8U-2273 Shims ... 0.5 mm (.02 inch)
(18) Torque for two bolts ... 9.5 ± 2 N·m (84 ± 18 lb in)
(19) Torque for four bolts ... 25 ± 5 N·m (18 ± 4 lb ft)
(20) Torque for two nuts ... 60 ± 15 N·m (44 ± 11 lb ft)