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5-49
MAINTENANCE
INSPECTING THE REFRIGERANT (GAS)
LEVEL (AC)
• Exposure of the eyes or hands to the
cooler’s refrigerant could result in
blindness or frostbite.
Never touch the refrigerant or loosen
the parts of the cooling circuit.
• Keep flames away if the refrigerant gas
is leaking.
• The high-pressure pipes of the air
conditioner can be very hot (80 to 120°C
or 176 to 248°F). Be careful not to burn
yourself.
• Before performing maintenance on top
of the work bench, clean the footing and
observe the following precautions to
prevent falling.
· Do not spill oil or grease.
· Do not leave tools scattered around.
· Watch your step when walking.
• Never jump down from the machine or
the work bench. When getting on or off
the machine or work bench, use the
steps, handrails or work bench to
support your body. Your weight should
be evenly distributed among the three
contact points (one hand and two feet
or two hands and one foot).
• Do not stand on the dozer blade and
perform maintenance work. Doing so is
dangerous because of the unsteady
foothold. Use the work bench.
The cooling capacity decreases if the
amount of refrigerant is insufficient.
Inspect the refrigerant level using the sight
glass (2) on the top of the receiver dryer (1).
EVERY 250 HOURS
1. Open the engine hood.
2. Inspect the places for the conditions
below.
Places for inspection
Conditions
Cab door
Fully open
Temperature control
dial
Set fully to the COOL
side
Fan speed
High
Ventilation /
Circulation select
switch
Circulation
Engine speed
Maximum speed
Air conditioner
switch
ON
3. Inspect the refrigerant by watching the
flow of air bubbles through the sight glass
(2).
Refer to “Check list for refrigerant volume”
on page 5-50.
4. Check the temperature of the
compressor’s high pressure pipe (3) and
low pressure pipe (4).
Refer to “Check list for refrigerant volume”
on page 5-50.
Содержание TB295W
Страница 1: ......
Страница 11: ...1 1 SAFETY...
Страница 50: ...1 40 SAFETY SAFETY SIGNS DECALS...
Страница 51: ...1 41 SAFETY SAFETY SIGNS DECALS...
Страница 52: ...1 42 SAFETY SAFETY SIGNS DECALS...
Страница 53: ...2 1 CONTROLS...
Страница 77: ...2 25 MEMO...
Страница 126: ...2 74...
Страница 127: ...3 1 OPERATION...
Страница 155: ...3 29 MEMO...
Страница 158: ...3 32...
Страница 159: ...4 1 TRANSPORT...
Страница 163: ...4 5 TRANSPORT Hoisting posture HOISTING THE MACHINE...
Страница 166: ...4 8...
Страница 167: ...5 1 MAINTENANCE...
Страница 217: ...5 51 MEMO...
Страница 229: ...5 63 MEMO...
Страница 235: ...5 69 MEMO...
Страница 246: ...5 80...
Страница 247: ...6 1 TROUBLESHOOTING...
Страница 255: ...6 9 MEMO...
Страница 271: ...7 1 SPECIFICATIONS...
Страница 274: ...7 4 SPECIFICATIONS MACHINE DIMENSIONS EQUIPPED WITH A REAR BLADE MACHINE DIMENSIONS EQUIPPED WITH A REAR BLADE...
Страница 276: ...7 6 SPECIFICATIONS MACHINE DIMENSIONS MACHINES WITH AN OUTRIGGER MACHINE DIMENSIONS MACHINES WITH AN OUTRIGGER...
Страница 278: ...7 8 SPECIFICATIONS OPERATING RANGES OPERATING RANGES...
Страница 280: ...7 10 MEMO...
Страница 282: ...7 12 SPECIFICATIONS 2 Piece boom LIFTING CAPACITIES...
Страница 283: ...7 13 SPECIFICATIONS 2 Piece boom LIFTING CAPACITIES...
Страница 284: ...7 14 SPECIFICATIONS Mono boom LIFTING CAPACITIES...
Страница 285: ...7 15 SPECIFICATIONS Mono boom LIFTING CAPACITIES...
Страница 286: ...7 16...
Страница 287: ...8 1 OPTIONS...
Страница 303: ...8 17...