Figure 9. Starting load bank.
(b) Add kilowatt by turning the vari-
b. Perform the necessary daily preventive
able switch on and the variable con-
maintenance services ( para 31).
trol knob to a 2 killowatt reading.
18. Operation Under Usual Conditions
(2) Example 2. Apply a load of 2 1/2
a. Insert the plug connector into the proper
kilowatts. Turn the variable control
receptacle as described in paragraph 16, Start-
knob to a reading of 2 1/2 kilowatts.
ing The Equipment.
(3) Example 9. Apply a load of 28 kilo-
b. Combine fixed loads in increments of 3
KW up through 27 KW and variable loads
infinite variations from 0 to 3 KW. It is possi-
(a) Close all fixed toggle switches (3,
ble to apply any load to the generator under
6, 9, and 9 KW) to apply a load
test from 0 to 30 KW. Several examples of how
of 27 kilowatts.
fixed and variable loads can be combined to
(b) Turn the variable switch on and
achieve types of loading are given here:
turn the variable control knob to
(1) Example 1. Apply a load of 20 kilo-
a 1 KW reading. This adds 1 kilo-
watt to the 27 kilowatts, giving a
(a) Close fixed load toggle to apply a
total loading of 28 kilowatts.
fixed load of 18 kilowatts. Select
Note. The loads described above as well
either a combination of two 9
as other combinations can be applied to
kilowatt switches or the 3, 6 or 9
any generator capable of being tested by
the bad Bank.