SECTION 8
SERHT50NA A0808 8-3
INTERNAL BATTERY ASSEMBLY REPLACEMENT
Removal of the Primary Internal Battery
1. Remove lower case assembly. See Above Steps
2. Disconnect the 2 cables on the dual pack battery circuit board
connecting the NiMH battery to the circuit board.
3. Disconnect the 2 cables on the dual pack battery circuit board
connecting the lead acid battery and the transistor to the
circuit board. See Figure 8-2
4. Remove the 10 ea #10 torx screws (6) securing the battery
case (2) to the lower case cover. Loosen the strain relief
securing the battery wiring harness to the battery case.
Remove the battery case.
5. Remove the battery wiring harness from the old battery and
install it onto the new battery. Make certain the red wire
terminal connector with the in-line fuse is attached to the
positive (+) terminal and the black wire terminal connector is
attached to the negative (-) terminal on the battery.
6. Write the installation date and hours of the HT50 on the side
of the new battery.
7. Lay the battery on the side with the negative terminal closest
to the lower case, tighten the strain relief securing the battery
wiring harness to the battery case, secure the battery cover
over the battery using the 10 torx screws removed in step 4.
8. Connect the 3 connectors at the dual pac battery circuit board
(Figure 8-1). Gently insert the lowering assembly into the
HT50. Pay attention to not pinch the harness.
9. Tighten the 6 torx screws to secure the lower case assembly.
Figure 8-2
Two
connectors
to be
disconnected
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