Specifications

MILSTD-1472E
5.12.5.8 Windshield wi
t)ers and washers. Windshield wipers and washers shall be provided,
Blades shall return to the stored position when turned off. Provision shall be made for manual
operation in event of power failure,
5.12.5.9 Fork lifts. The configuration of fork lift mechanisms and fork lift truck cabs shall
permit the operator to have direct view of the tips of the forks in all typical modes of material loading
and in all likely operator positions,
5.12.6 Heating and ventilation.
5.12.6.1 Heating The crew compartment shall be provided with a heating system capable of
maintaining temperatures above 20”C (68°F) during occupancy when personnel are not wearing Arctic
clothing and exposure exceeds 3 hours). When Arctic clothing is worn, cab heaters shall be capable of
maintaining a reference temperature of not less than 5°C(41 ‘F) at the
minimum ambient design
temperature with the vehicle moving at two-thirds maximum speed and the defrosters operating at
maximum capacity. The reference temperature is measured 61 cm (24”) above the seat reference point
of each operator/passenger position. Air temperatures around any part of the operator/passenger’s
body shaIl not vary more than fi°C (@°F). The heater shall achieve these requirements within one
hour after it is turned on.
5.12.6.2 Ventilation. Outside fresh air shall be supplied at minimum rate of 0.57 m3
(20 ft3)/min/person. Air flow rates for hotdimate o ration (temperatures above 32°C (90”F) shall be
r
maintained betwcxm4.2 and 5.7 ms (150 and 200 h )/min./person, unless air conditioning or
individual (microclimate) cooling is provided. Air velocity at each person’s head location shall be
adjustable either continuously or with not less than three settings (OFF, LOW and HIGH) from near
zero to at least 120 m (400 ft)/minute.
5.12.6.3 Visibility. The heating-ventilating system shall be designed to minimize
degradation of
visibility due to frosting or misting of the windshield.
5.12.7 Trailers, vans. and intervehicular connections.
5.12.7.1 Trailers.
5.12 .7.1.1 Brake controls. Trailer brake controls shall be located so that an operator can reach
them whi!e restraining or positioning the trailer manually. The controls shall not be located on the side
of the trailer exposed to road tra.fflc.
5.12.7.1.2 Positioning controls. Component trailers should contain precise positioning controls
Whenthe tsaikrwillbeusedt omateparts.
5.12.7.1.3 Tie downs. Munitions tie-down facilities on stores trailers shall be easily installed
and removed.
5.12 .7.1.4 LandinR gear lock. Landing gear lock and release shaJl be capable of being hand or
foot-operated.
5. 12.7.2 Vans. Tiw followil~gc~ittiia applies tu uailei biu)sand hws.purtablc cnclosulcs Yvhich
W-W as shelters for personnel or equipmen[. and which require occupancv by personnel for
opemt ionaI or maintenance tasks in excess of one hour, on a recurring basis where mission
rrqllircrnrnls pc’rmit