IS 12224 : 1987 Method of test for hydraulic power and lifting capacity of agricultural tractors

1 Scope

This standard specifies test procedures for determiningfollowing hydraulic performance characteristics of agriculturaltractors:

a) The maximum static vertical force which can be exerted by thehydraulic lift at the lower hitch points throughout their fullrange of movement;

b) The maximum static vertical force which can be exerted by thehydraulic lift, at a point 610 mm to the rear of the hitch pointson a frame attached to the three-point linkage, throughout its fullrange of movement;

c) The hydraulic pump and relief valve performance; and

d) The ability of the lifting system to maintain the load in thelifted position without hydraulic power.

Amendment 1 and 2 is Incorporated.