Specifications

NAIROBI OPERATIONAL HUB
UNOPS Building, UN Lane, Off UN Avenue Tel: [phone]
P.O Box 783,Village Market, 00621 E-mail: [e-mail]
Nairobi, Kenya Website: www.unops.org
UNOPS is ISO 9001 certified
The engine starting control equipment shall be arranged
to disconnect the battery charger to prevent it from being
over-loaded during starting. The starter motor shall be of
adequate power of its duty
ii) Batteries for starting shall be of the nickel cadmium type,
24V, and heavy-duty diesel starting type and of sufficient
capacity to provide continuous cranking of 1.5-minute
duration without recharging. Batteries should have
sufficient capacity to provide three successive starts.
iii) The batteries shall be filled with electrolyte an installed
on proper racks with cables and clamp. A hydrometer
shall be supplied with the batteries.
iv) The battery charger shall be static type enclosed in an
adequately ventilated sheet steel case and incorporated
within the control panel with its associated instruments
and controls mounted on front of panel.
v) The charger shall be complete with all necessary relays,
cutouts, controls, switches and instruments for automatic
charging of batteries. The charger shall automatically
control the charging rate to suit stare of battery thus
charging at high rate following a period of use of battery
and, when battery nearly fully charged, reverting to
trickle charging automatically.
vi) An ammeter and voltmeter in the control panel shall
indicate the state of the battery and its charging rate.
3. Cooling System
a) Radiator: Built-in type sufficient capacity to dissipate the
total joules per hour rejected by the engine cooling system at
110% full load.
b) Blower fan: To have sufficient pressure to circulate required
quantity of air for engine cooling. The fan shall be provided
with a suitable guard. D/G room inside temperature should
not exceed 56 Degree C.
c) Jacket water heaters: To be provided on engine to facilitate
quick under low ambient conditions.
d) The cooling system shall be capable of keeping the