Komatsu PC290LC-11 Operation & Maintenance Manual page 488

Tuning/time adjustment button............................3-230
Turbocharger protection function........................ 3-171
Turn battery disconnect switch to off position....... 2-45
Two workers for maintenance when engine is running
.......................................................................2-43
Unauthorized modification.................................... 2-23
Understanding the machine.................................. 2-17
Urea SCR system warning - Handle................... 3-121
Use handrails and steps when getting on or off ma-
chine.............................................................. 2-20
Use proper tools....................................................2-45
Use warning tags.................................................. 2-29
User menu............................................................ 3-57
User menu display switch..................................... 3-57
Vacuator valve - Check /Replace..........................4-20
Vent selector switch - Select............................... 3-219
Vertical or horizontal pin type tooth - Select..........6-39
Vertical pin type tooth - Use.................................. 6-38
Vibration damper - Check..................................... 4-73
Vibration levels........................................................1-6
Visibility from operator's seat.................................. 1-9
Volume control button......................................... 3-230
Warning display.....................................................3-17
Washable floor - Wash..........................................4-32
Washable floor mat - Clean...................................4-32
Water pump - Check............................................. 4-73
Water separator - Check / Drain water and sediment..
.....................................................................3-143
Water separator caution lamp............................... 3-30
Wear well-fitting clothes and protective equipment......
.......................................................................2-17
Welding instructions................................................4-2
When handling accumulator and gas spring.........2-49
When operating on slopes.................................... 2-34
When required...................................................... 4-15
When travelling in forward or reverse and swinging....
.......................................................................2-32
Window washer fluid - Check level / Add..............4-30
Window washer fluid - select................................ 2-50
Window washer switch..........................................3-50
Wiper pilot lamp.................................................... 3-34
Wiper switch..........................................................3-49
Work equipment - Lubricate..................................4-40
Work equipment - Operate..................................3-189
Work equipment control lever............................... 3-98
Working lamp - Check.........................................3-151
Working mode.....................................................3-190
Working mode - Operate.....................................3-190
Working mode display...........................................3-34
Working mode selector switch - Select................. 3-45
8-8
U
V
W
Your machine serial numbers and distributor........1-12
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