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Bleeding Hydraulic Clutch Linkages /
Reverse Fluid Bleeding |
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Removing the trapped air from hydraulic clutch linkages can be quite a challenging task, even for professionals. Finally, there is an affordable solution to this common problem. Mityvac® proudly introduces the Hydraulic Injection System SHOOTER P/N 7220. The SHOOTER easily removes trap-ped air from hydraulic systems in minutes. Using a method of bleeding referred to as reverse fluid bleeding, the SHOOTER is a complete system that includes all necessary adapters and accessories to flush and bleed most hydraulic systems.
When performing the reverse fluid bleeding method the hydraulic system should always be flushed first. This means the system should be completely purged of all old brake fluid. This will ensure a lasting repair.
FIGURE 1
As shown in Figure 1, the 16-oz. reservoir bottle is connected to the bleeder screw of the slave cylin-der.Next, the discharge hose of the SHOOTER with the flex-wand attached is inserted into the fluid inlet port of the master cylinder and firmly held in place. Once the SHOOTER has been filled with the appropriate fluid and pressurized, simply depress the trigger on the handle of the SHOOTER to dis-charge the fluid into the system. After approximately 6- to 8-oz. of fluid has been discharged, the system has been flushed. NOTE: The amount of fluid may vary depending upon the plumbing of the hydraulic system. Repeat this process until new fluid has been discharged into the reservoir bottle from the slave cylinder. After the system has been thoroughly flushed, the system is ready to bleed using the reverse fluid bleeding method.
FIGURE 2
Figure 2 illustrates the discharge hose of the SHOOTER with the appropriate bleeding adapter connected to the bleeder screw of the slave cylinder. Next, open the bleeder screw of the slave cylinder. Depress the trigger on the handle of the SHOOTER to inject fluid into the hydraulic system. (Approximately 5-to 6-oz. fluid.) As the fluid begins to fill the slave cylinder, it rises through the hydraulic line(s) and begins to fill the master cylinder. The trapped air will travel with it and be vented from the master cylinder. NOTE: Prior to beginning the reverse fluid bleeding procedure, remove the majority of the fluid from the master cylinder reservoir. This will prevent possible over-filling of the reservoir. Always take measures to prevent brake fluid from coming into contact with the finish of the vehicle,as it will damage the painted finish. Should any spillage occur, remove brake fluid immediately with soft cloth and wash the area with clean water.
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