9 Test procedure9.1Apply the first

9 Test procedure9.1Apply the first load stage(see Table 4).Using the conditions given in Table 5, start the motor, switch on the heater and run for 21 700 motor shaft revolutions (approximately 7,5 minutes). Repeat the process for load stages 2 and 3.9.2At the start of load stage 4, ensure that the oil temperature in the test gear box is between 117 C and123°Cin accordance with Table 5.9.3 At the end of load stage 4,inspect the pinion for damage, without removing the test gears. Record the tooth condition, using the examples in Figure 1 and Annex A as a guide. If the damage criteria is not reached the test is continued.9.4lf the test is continuing to the next higher load stage, ensure that the oil temperature in the test gearbox is between 117℃ and 123℃.This may be accomplished through the use of appropriate heating or cooling of the test gear box.When the temperature is between 117C and 123℃the test may be continued.Ensure that cooling devices are turned off during the test.9.5 Continue the test with step-wise increased load stages(Table4), inspecting all the pinion teeth after each stage, and cooling to between 117°℃ and 123℃,as specified in 9.4,before applying the next higher load stage.9.6 Continue with the procedure until the failure load stage according to Clause4 is reached, but if insufficient damage(