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Before reporting any problems with your unit, please ensure you are familiar with the contents of the Fitting and Operation Manual, supplied with the unit, and have followed all the procedures in that manual.
This page contains information on known problems with the Mark 5 and Mark 5a Bat Blasters. (The Mark 5 is the unit with a corkscrew tracking arm and a black pylon clamp. The Mark 5a has a metallic clamp and jointed tracking arm.)
The first batch of Mark 5 units had a power circuit which failed to charge the batteries on some occasions if the unit had been left for some time with completely flat batteries. Many of the Mark 5s (and all Mark 5as) have an upgraded power board that solves this problem.
The mains charger supplied with the later units is also more powerful
If you are having problems getting your unit to retain enough charge in the battery for about 10-15 skis then check that you have a 12V 1000mA charger and that you have one of the new power boards. To check and/or replace the power board, follow the instructions here.
If you determine that your power board needs replacing contact a-technic and we will supply a new board that you can fit following these instructions.
The Mark 5a has a hinge on the left side of the pylon clamp that can come apart under stress. If your hinge has opened out or broken so that your system does not grip the pylon tightly you can either get the hinge knuckles welded closed yourself or contact a-technic for a new stronger hinge which can be fitted using an Allan key.
MasterCraft boats with larger than standard engines can have engine cowlings that come quite close to the tow pylon, causing the Bat Blaster tracking arm to catch on and damage the engine cowling. If you have such a MasterCraft contact a-technic for a custom(short) tracking arm. Make sure you have details available of the exact distance between the centre of the tow pylon and the front edge of the engine cowling at the worst point of interference with the tracking arm.
The early mark 5a units have a stop plate at the end of the horizontal section of the tracking arm and also do not have rounded edges to this horizontal arm. Both these features can cause chafing and damage to the tow rope. Contact a-technic for a replacement arm which can be fitted with an Allan key.
If the tracking arm on a Mark 5a unit becomes very slack there is a grub screw in the V of the pylon clamp pointing towards the skier. Tightening this screw pushes a nylon plug against the tracking arm spindle and removes any slackness. The arm should move without undue pressure, but should be stiff enough to maintain whatever position it is placed until pressure is once again applied.
If you have any other technical problems then email chris@a-technic.net
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