Komatsu — CHECK BEFORE STARTING ENGINE

. OPERATION OPERATION ADJUSTMENT BEFORE OPERATION ADJUSTING OPERATOR'S SEAT WARNING then NOTICE 3 - 79 Park the machine in a safe place and stop the engine when carr ying out adjustment of the operator' Adjust the seat before starti ng operations or when changing op erators. Adjust the position of the op erator's seat so that you can depress the brak e pedal f ully with your back against the seat backrest. (A) Fore-and-aft adjustmen t he seat to the desired position 0 mm (7.1 in) 0 mm (0.4 in) x 18 stages] Move lever (1) up, move t release the lever. Fore-and-aft adjustment:18 [1 (B) Adjusting seat angle h down on the rear of the seat to tilt i Move lever (2) up and pus backward.

Move lever (2) down and p ush down on the front of the sea t to til it forward. Adjustment range: 13 degr ees (Front tilt, rear tilt: 4 stages each) (C) Setting seat for operato r's weight Sit on the seat and adjust t he strength of the suspension w valve (3). Adjustment range (Target): 50 kg (110 lb) to 120 kg (265 lb Push: Suspension is streng thened. ed. Pull: Suspension is weaken (D) Adjusting backrest angl Move lever (4) up and mov e the backrest to the front or rea When doing this, keep your back pressed against the seat back. If your back is not against t he seat back, the seat back ma y spring back s Adjustment range:

66° to th 72° to re If the seat back is reclined too far, the seat back may hit the rear gla ss, so us e it in a position where it do es not contact the g lass.