Tornado Tempest Battery Latch K50369480

The Tornado Tempest battery latch (part# K50369480) is the sprung catch that holds the 36V battery pack in the machine. It works with its own spring (part# K63302640): the spring pushes the latch into the pack’s catch pocket, and pressing the release button (part# K53242030) withdraws it so the pack can be lifted out.

It is a small part under constant load. Every time the pack goes in or comes out the latch takes the impact, and while a machine is running it is the only thing resisting the vibration that would otherwise walk the pack out of its seat. A worn latch is one of the most common faults on any battery machine, and on the Tempest it usually announces itself as an intermittent power loss rather than as an obviously loose pack.

Compatible Models for the Battery Latch

• Tornado Tempest Wide-Area Cordless Carpet Vacuum Sweeper — Model TV400-W26-U

Symptoms that point to the battery latch

• The pack does not click positively when pushed home.
• The machine loses power over bumps or thresholds but runs fine on smooth floor.
• The pack can be lifted out without pressing the release button.
• The latch face is visibly rounded, chipped or worn to a slope.
• The release button feels dead, or the latch stays retracted after release.

That last one usually means the spring rather than the latch. Check both together — they are inexpensive, they wear as a pair, and doing one without the other often means opening the machine again a few months later.

Fitting notes

Remove the battery pack before starting. The latch sits in the battery mount (part# K50321850) with its spring behind it and the release button bearing on it. Note which way round the latch face points before removing it — fitted backwards it will let the pack in but not hold it. After fitting, test that the pack clicks home and cannot be withdrawn without pressing the release.

Twin City Vacuum has been selling and servicing Tornado equipment since 1956. Browse the full Tornado Tempest parts range, or see the Tornado Tempest TV400-W26-U machine. Manufacturer information is at tornadovac.com.

Frequently Asked Questions

What does the battery latch do on the Tornado Tempest?

It is the sprung catch that locks the 36V pack into the battery mount. Its spring holds it engaged; the release button withdraws it so the pack can be removed.

How do I know if my battery latch needs replacing?

The pack not clicking home positively, power dropping out over bumps, or the pack lifting out without pressing the release are the clear signs. A visibly rounded or chipped latch face confirms it.

What models is the battery latch (part# K50369480) compatible with?

The Tornado Tempest TV400-W26-U wide-area cordless carpet sweeper. It is a Tempest-specific part and does not interchange with the Strike or Zephyr.

Should I replace the latch spring at the same time?

Yes, in most cases. The latch (part# K50369480) and its spring (part# K63302640) wear together, the spring costs very little, and fitting both while the machine is open saves a second strip-down.

How do I order the battery latch (part# K50369480) or get help?

You can add the battery latch (part# K50369480) directly to your cart on this page, or call us at 763-535-0770. Our staff at 5415 West Broadway, Crystal, MN 55428 has been servicing Tornado equipment since 1956 and can help confirm the right part for your machine.

Questions? Call us at 763-535-0770 or visit us at 5415 West Broadway, Crystal, MN 55428.