Fuel Gauge; Engine Coolant Warning Light; Engine Coolant Temperature Warning Light; Engine Oil Pressure Warning Light - Komatsu Boss D87E-2 Operation & Maintenance Manual

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OPERATION

FUEL GAUGE

2
The fuel gauge (1) indicates the amount of fuel in the fuel tank. After
each days operation, be sure to fill the fuel tank.
F. Indicates that the tank is full.
E. Indicates there is less than 17 L (4.5 gal) of fuel remaining in
the tank, so add fuel.

ENGINE COOLANT WARNING LIGHT

2
The engine coolant warning light (2) will glow red if the coolant level
drops below operating level. This warning light is in addition to the
main warning light (15) and audible alarm (16). If the lamp is on, check
the coolant level and add coolant as required.

ENGINE COOLANT TEMPERATURE WARNING LIGHT

2
The engine coolant warning light (3) will glow red if the coolant tem-
perature is too high. When illuminated, stop the machine and run the en-
gine at low idle until the light goes out. This warning light is in addition
to the main warning light (15) and the audible alarm.

ENGINE OIL PRESSURE WARNING LIGHT

2
The engine oil pressure warning light (4) will glow red when the engine
oil pressure is low. When this light illuminates, stop the engine immedi-
ately and look for the cause. This warning light is in addition to the
main warning light (15) and the audible alarm.

AIR CLEANER SERVICE LIGHT

2
The air cleaner filter service light (5) will glow amber when the filter el-
ement reaches the maximum allowable restriction. When this happens,
primary filter element service is required.

TRANSMISSION OIL FILTER WARNING LIGHT

2
The transmission oil filter warning light (6) will glow amber when the
oil filter element reaches the maximum allowable restriction. When this
happens, filter element service is required.

TORQUE CONVERTER TEMPERATURE WARNING LIGHT

2
The torque converter temperature pressure warning light (7) will glow
red if the fluid temperature at the transmission output port has risen. If
the light illuminates, stop the machine, run the engine under no load at
mid range speed and await for the transmission temperature gauge (11)
to return to the green range. This warning light is in addition to the main
warning light (15) and the audible alarm.

DRIVE TRAIN OIL PRESSURE WARNING LIGHT

2
The drive train oil pressure warning light (8) will glow red when there is
insufficient oil pressure in the neutral position or insufficient oil pres-
sure available for the transmission clutches when in gear. When the
light illuminates, stop the engine and clean the transmission system suc-
tion filter and check the oil level in the rear frame. If the light continues
to illuminate, stop the engine and consult your distributor before operat-
ing the machine. This warning light is in addition to the main warning
light (15) and the audible alarm.
2-10
D87E-2 D87P-2

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Boss d87p-2P090001P092001

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