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STEP 6

Test the battery connection by turning the pump 

switch on. If the pump does not start, confirm 

your lead wires are in place and attempt to 
charge the battery.

STEP 7

Once you have confirmed the battery is 

connected correctly and the pump switch 
turns the pump on, place the battery into the 

battery case and fit the battery and battery 

case to the back of the pump. Ensure there 
is minimal tension on the lead wires and the 
terminal connections before reinserting the 
holding screws.

STEP 8

Secure the battery and its case by reinserting the four screws and tightening them down.

FINAL

Your FX-BST-800 inflation pump is now 

assembled and ready to be charged for future 
use. (Review the batteries instruction booklet for 
proper charging technique)

STEP 5

For the best results, use solder to fuse the lead 
wires and connectors to the battery terminals.

PYI Inc.

12532 Beverly Park Road
Lynnwood, WA 98087
425-355-3669
[email protected]
www.pyiin.com

FRONT

BACK

BATTERY LIFE PER CHARGE

The FX-BST-800 offers about 15 minutes 
of continuous use, or inflates twelve C124 

Fendertex fenders on a single charge.

ASSEMBLY VIDEO

Scan the QR code with a mobile 
device to watch our assembly 
video of the FX-BST-800.

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