. OPERATION MACHINE OPERATIONS AND CONTROLS Warming-up Operation 3 - 59 NOTICE When th e hydraul ic oil i s at a low temperatur e, do n ot carry ou t operations or move the lever sud denly. Always carry out the warming -up operation. This will help to exte nd the machine lif e. operation is completed. for more than 20 minutes. D o not s uddenly a ccelerate the e ngine befor e the w arming-up operation is D o not r un the en gine a t low idlin g or high id ling co ntinuously for more After start ing the e ngine , do not i mmediatel y start operation s. First, carry out t he following o peration 1.
Pull fu el contro l leve r (1) fro m low idling (position A) to midway positio n (B) b etwe en full s peed and low i dling to ra ise the engin e speed t o a m id-range speed, th en run under no l oad for appro x. 5 minutes. REMARK When the ambient temperature is below 0° C (32 °F), keep the fuel control le ver clos the 1/4 position when carrying out the warming- 2. Set sa fety lock leve r (2) to t he FREE p ositio n, and rais e the Machine e quipped with canopy Machine e quipped with REMARK For machi nes equipped with a c ab, there is only a safety loc k lever on the left .