Dc Plug Polarity; Grounding The Charger - Hawker PTO MOD3 Owner's Manual

PTO™ MOD3

DC Plug Polarity

The charging cables are connected to the DC output of the charger with the red cable to the positive
bus bar, and the black cable to the negative bus bar. The red cable is terminated into the "+" side of
the battery connector, and the black cable is terminated into the "-"side of the connector. The output
polarity of the charger must be observed when connecting to the battery (read warning above).
Improper connection will open the DC fuses in the power modules.
DANGER: FAILURE TO GROUND THE CHARGER COULD LEAD TO FATAL ELECTRIC
SHOCK. Follow local and National Electric Code for ground wire sizing.

Grounding the Charger

Connect incoming grounding conductor to the ground lug provided on the charger support panel.
Torque the Ground wire to 15 in-lb. This lug is marked as shown:
Owner's Manual
24.1 -28
28.1 - 32
32.1 - 36
36.1 - 40
40.1 - 48
48.1 - 56
56.1 - 64
64.1 - 72
72.1 - 80
80.1 - 88
88.1 - 100
35
40
45
50
60
70
80
90
100
110
125
8
AM-HPTOM3-OM
Rev AB February 2020