345D MHPU and 349D MHPU Mobile Hydraulic Power Units Machine System Caterpillar

油泵类型 ... 双活塞

泵旋转 ... 顺时针

驱动侧最大排量和从动侧最大排量 ... 204 cc (12.4 in³)

额定转速 ... 1800 rpm

最高速度 ... 1980 rpm

最高压力 ... 35000 kPa (5100 psi)

最大流量 ... 734 L/min (194 US gpm)

(1) 4 只螺栓的扭矩 ... 29.0 ± 4.3 N·m (21 ± 3 lb ft)

(2) 4 只螺栓的扭矩 ... 29.0 ± 4.3 N·m (21 ± 3 lb ft)

(3) 五条螺栓的扭矩 ... 33 ± 5 N·m (24 ± 4 lb ft)

(4) 三条螺栓的上紧扭矩 ... 12.0 ± 1.8 N·m (105 ± 16 lb in)

(5) 四只螺母的扭矩 ... 240 ± 36 N·m (175 ± 27 lb ft)

(6) 27 只螺栓的扭矩 ... 98 ± 15 N·m (70 ± 11 lb ft)

(7) 2个伺服活塞的扭矩 ... 480 ± 72 N·m (350 ± 55 lb ft)

(8) 295-9506 弹簧

数量 ... 18

自由长度 ... 40.8 mm (1.61 in)

外径 ... 10.1 mm (0.40 in)

(9) 12 只螺塞的扭矩 ... 12.0 ± 1.8 N·m (105 ± 16 lb in)

(10) 两只螺塞的扭矩 ... 22.0 ± 3.3 N·m (16 ± 2 lb ft)

(11) 12 个螺栓的扭矩 ... 630 ± 95 N·m (460 ± 70 lb ft)

(12) 8 只螺栓的扭矩 ... 34 ± 5 N·m (25 ± 4 lb ft)

(13) 4 个节流孔的扭矩 ... 8.8 ± 1.3 N·m (80 ± 12 lb in)

(14) 21 只螺塞的扭矩 ... 8.8 ± 1.3 N·m (80 ± 12 lb in)

(15) 5 个螺塞的扭矩 ... 59 ± 9 N·m (44 ± 7 lb ft)

电磁阀总成

(16) 2 只螺栓的扭矩 ... 6.9 ± 1.0 N·m (60 ± 9 lb in)

(17) 11 只螺塞的扭矩 ... 8.8 ± 1.3 N·m (80 ± 12 lb in)

(18) 螺塞的扭矩 ... 59.0 ± 8.9 N·m (44 ± 7 lb ft)