13) PILOT PRIMARY PRESSURE (1) Preparation ① ② Stop the engine. Remove the top cover of the hydraulic tank oil supply port with a wrench. Loosen and remove plug on the pilot pump delivery port and connect pressure gauge. Start the engine and check for oil leakage from the port. Keep the hydraulic oil temperature at 50 ± 5 C . ③ ④ a3 ⑤ (2) ① Measurement Select the following switch positions. · Mode selector : M mode · Auto decel switch : OFF Measure the primary pilot pressure in the H mode. ② 8007A7MS01 (3) Evaluation The average measured pressure should meet the following specifications: Unit : kgf / cm 2 7-16 Model Engine speed Standard Allowable limits Remarks R800LC-7A M mode 40±5 -