M09010 05/02
Air Conditioning System
M9-35
for HFC 134a Refrigerant
Preventive Maintenance Schedule for AC System
Truck Serial Number___________________________
Site Unit Number______________________________
Date:____________Hour Meter:_________________
Last Maintenance Check:_______________________
Name of Service Technician________________
NOTE: Compressor should be run at least 5 minutes
(40°F minimum ambient temperature) every month, in
order to circulate oil and lubricate components.
COMPONENT
Maintenance Interval
(months)
3
6
12
Done
1. Compressor
Check noise level
Check clutch pulley
Check oil level
Run system 5 min.
Check belt tension
(80-100) lbs; V-belt
Inspect shaft sea for leakage
Check mounting bracket
(tighten bolts)
Check clutch alignment w/
crankshaft pulley
(within 0.06 in.)
Perform manifold gauge
check
Verify clutch is engaging
2. Condenser
Clean dirt, bugs, leaves, etc.
from coils (w/compressed
air)
Verify engine fan clutch is
engaging (if installed)
Check inlet/outlet for
obstructions/damage
3. Receiver-Drier
Check inlet line from con-
denser (should be hot to
touch)
Replace if system is opened
COMPONENT
Maintenance Interval
(months)
3
6
12
Done
4. Expansion Valve
Inspect capillary tube (if
used) (leakage, damage,
looseness)
X
5. Evaporator
Clean dirt, bugs, leaves, etc.
from fins (w/ compressed
air)
Check solder joints on inlet/
outlet tubes (leakage)
Inspect condensation drain
6. Other Components
Check discharge lines
(hot to touch)
Check suction lines
(cold to touch)
Inspect fittings/clamps/hoses
Check thermostatic switch
for proper operation
Outlets in cab: 40°F to 50° F
Inspect all wiring connec-
tions
Operate all manual controls
through full functions
Summary of Contents for 830E
Page 1: ...CEBM013200 Shop Manual DUMP TRUCK SERIAL NUMBERS A30708 A30732 ...
Page 2: ......
Page 4: ...NOTES ...
Page 8: ...A 4 Introduction A00032 KOMATSU MODEL 830E TRUCK ...
Page 9: ... ...
Page 10: ... ...
Page 12: ...A2 2 Major Component Description A02063 830E MAJOR COMPONENTS ...
Page 32: ...A3 18 General Safety and Operating Instructions A03020 NOTES ...
Page 34: ...A3 20 General Safety and Operating Instructions A03020 ...
Page 46: ...A3 32 General Safety and Operating Instructions A03020 NOTES ...
Page 61: ... 0 1 23 4 5 67 5 789574 0 ...
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Page 78: ... 0 3 4 5 67 5 789574 0 1 23 ...
Page 80: ...0 4 5 67 5 789574 0 1 23 ...
Page 82: ...NOTES B1 2 Index B01018 ...
Page 92: ...NOTES B3 6 Dump Body B03018 ...
Page 94: ...C1 2 Index C01024 NOTES ...
Page 116: ...NOTES C5 6 Air Filtration System C05012 4 98 ...
Page 135: ...D02023 24 VDC Electric Supply System D2 17 FIGURE 2 8 CRANKING MOTOR ASSEMBLY ...
Page 181: ...E02016 2 02 Electrical Propulsion Components E2 25 ...
Page 228: ...E2 72 Electrical Propulsion Components 2 02 E02016 NOTES ...
Page 290: ...G2 8 Tires and Rims 04 03 G02004 NOTES ...
Page 304: ...G3 14 Front Wheel Hub and Spindle 04 03 G03018 NOTES ...
Page 312: ...H1 2 Index 5 03 H01015 NOTES ...
Page 324: ...H3 4 Rear Suspensions 4 03 H03015 ...
Page 331: ... 0 0 6 76 6 7 5 5 M A 5 5 0 1 23 4 0 1 5 6 7 6 4 7 G 2 6 7 3 3 H I 5 5 3 HH ...
Page 333: ...C B 654 7 H 6 27 0 L C N 6 2J 7 5 0 M 6 27 1 J 5 654 27 0 5 0 5 0 5 0 67 0 6 7 A ...
Page 370: ...J4 10 Brake Circuit Check Out Procedure J04031 NOTES ...
Page 380: ...J5 8 Rockwell Wheel Speed Front Disc Brakes J05019 NOTES ...
Page 410: ...L2 4 Hydraulic System L02027 NOTES ...
Page 426: ...L3 16 Hydraulic Component Repair 7 02 L03026 NOTES ...
Page 429: ...L04037 Steering Circuit L4 3 FIGURE 4 2 FLOW AMPLIFIER ...
Page 431: ...L04037 Steering Circuit L4 5 FIGURE 4 3 FLOW AMPLIFIER No Steer ...
Page 433: ...L04037 Steering Circuit L4 7 FIGURE 4 4 FLOW AMPLIFIER Steering Left ...
Page 435: ...L04037 Steering Circuit L4 9 FIGURE 4 5 FLOW AMPLIFIER Steering Right ...
Page 437: ...L04037 Steering Circuit L4 11 FIGURE 4 6 FLOW AMPLIFIER No Steer External Shock Load ...
Page 441: ...L04037 Steering Circuit L4 15 FIGURE 4 9 CUT AWAY VIEW OF STEERING PUMP ...
Page 444: ...L4 18 Steering Circuit L04037 NOTES ...
Page 453: ...L05026 Steering Component Repair L5 9 FIGURE 5 7 FLOW AMPLIFIER VALVE ...
Page 476: ...L5 32 Steering Component Repair L05026 NOTES ...
Page 483: ...L07027 Hoist Circuit L7 7 FIGURE 7 6 FLOAT POSITION ...
Page 485: ...L07027 Hoist Circuit L7 9 FIGURE 7 7 POWER UP ...
Page 487: ...L07027 Hoist Circuit L7 11 FIGURE 7 8 HOLD POSITION ...
Page 489: ...L07027 Hoist Circuit L7 13 FIGURE 7 9 POWER DOWN ...
Page 491: ...L07027 Hoist Circuit L7 15 FIGURE 7 10 FLOAT POSITION ...
Page 492: ...L7 16 Hoist Circuit L07027 NOTES ...
Page 504: ...L8 12 Hoist Circuit Component Repair L08031 FIGURE 8 18 HOIST CYLINDER ...
Page 512: ...L8 20 Hoist Circuit Component Repair L08031 NOTES ...
Page 523: ...L10016 05 03 Hydraulic Check out Procedure L10 11 FIGURE 10 5 FLOW AMPLIFIER VALVE ...
Page 532: ...NOTES M1 2 Index M01047 ...
Page 546: ...NOTES M5 4 Wiggins Quick Fill Fuel System M05002 10 96 ...
Page 556: ...NOTES M8 6 Special Tools M08005 7 02 ...
Page 592: ...M9 36 Air Conditioning System 05 02 M09010 for HFC 134a Refrigerant NOTES ...
Page 596: ...M19 4 Radiator Shutters M19002 NOTES ...
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Page 654: ...0 1 0 9 2 4 7 7 7 E 7 0 4 9 4J0 4 4 E7 9 J 47 4 E 4 E7 E 7 0 7 09 49 6E E 2 2 ...
Page 678: ...N2 16 Truck Cab 04 03 N02014 NOTES ...
Page 682: ...N3 4 Cab Components N03018 NOTES ...
Page 688: ...N4 6 Operator Comfort N04023 NOTES ...
Page 710: ...N5 22 Operator Controls N05056 NOTES ...
Page 712: ...P1 2 Index P01028 NOTES ...
Page 715: ...P02039 Lubrication and Service P2 3 ...
Page 726: ...P2 14 Lubrication and Service P02039 NOTES ...
Page 744: ...P3 18 Automatic Lubrication System P03022 NOTES ...
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Page 754: ...R1 2 System Schematics R01060 NOTES ...
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