Brake Control Valve (Service) - Adjust
执行下述步骤前,执行测试和调整, "蓄能器(车轮制动器充压压力)- 测试和调整"步骤。
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所需工具     | ||
---|---|---|
零件号     | 零件描述     | 数量     |
8T-0853     | 压力表 (0 至 400 kPa (0 至 58 psi))     | 1     |
8T-0857     | 压力表 ( 0 至 10,000 kPa (0 至 1,450 psi))     | 1     |
6V-3989     | 接头 (测试)     | 1     |
6V-4143     | 快速连接连接器     | 2     |
6V-3014     | 软管组件     | 1     |
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图 1 | g01944019 |
位于驾驶室下面的制动控制阀视图 (1) 测压口(制动压力) (2) 连杆调节器 (3) 锁紧螺母 |
- 停止发动机。
- 将一个 10000 kPa (1450 psi) 压力表连接至测压口 (1) 。
- 起动发动机。
注: 调节制动器压力期间,停车制动器必须处于 OFF(断开)位置。
- 将发动机转速刻度盘置于高怠速位置。
注: 有关发动机转速设定,请参阅测试和调整, "发动机性能 - 测试(发动机转速)"。
- 完全踩下制动踏板,直到制动踏板机械式锁定。
- 检查测压口 (1) 处的制动压力。 有关正确的制动压力,请参阅本手册中的测试和调整, "技术规格"。
- 如果制动压力不符合技术规格,松开锁紧螺母 (3) 并转动连杆调节器 (2) ,直到达到正确的压力。
注: 如果制动踏板松开,连杆的调整将更为方便。
- 释放行车制动器。 熄火发动机并断开 10000 kPa (1450 psi) 压力表。
- 将一个 8T-0853 压力表 400 kPa (58 psi) 连接至测压口 (4) 。
- 起动发动机,但不要踩下制动踏板。 压力不应超过 20 kPa (2.9 psi)。
- 如果制动剩余压力超过 20 kPa (2.9 psi),必须降下止动螺钉,以降低制动压力。 止动螺钉位于制动踏板的底部背面。
- 如果需要调整剩余制动压力,重复步骤 5 至 7,以确保正确调整制动压力。
- 将压力表连接至测压口 (1) ,以便重复步骤 1 至 12。
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