CAT Articulated Truck 725 Specifications Page 14
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SEBU8524 115
Maintenance Section
Cooling System Coolant (ELC) - Change
NOTICE
Care must be ta
ken to ensure that fluids are contained
during performance of inspection, maintenance, test-
ing, adjusting and repair of the product. Be prepared to
collect the flu
id with suitable containers before open-
ing any compartment or disassembling any compo-
nent containing fluids.
Refer to Special Publication, NENG2500, “Caterpillar
Dealer Service Tool Catalog” for tools and supplies
suitable to
collect and contain fl uids on Caterpillar
products.
Dispose of a
ll fluids according to local regulations and
mandates.
If the coolant is dirty or if you observe any foaming
in the cool
ing system, change the coolant before the
recommended interval.
Park the m
achine on a level surface. Ensure that
the parking brake is fully engaged. Lower the truck
body or OEM attachment and shut off the engine.
Do not pe
rform this procedure until the coolant has
fully cooled.
g01126897
Illustration 130
1. Slowly remove the cap in order to gradually relieve
any system pressure.
g01127288
Illustration 131
2. Remove the cove
r from the front of the crankcase
guard in order to access the drain valve. Three
bolts fasten the cover to the crankcase guard.
g01127289
Illustration 132
3. Open the drain valve. Allow the coolant to drain
into a suitable container.
4. Close the drain valve.
g01126946
Illu
stration 133
5. The tube assembly that is located near the front
of th
e engine must be vented in order to ensure
proper filling of the cooling system. Failure to vent
this tube assembly may cause the water pump to
cav
itate. The tube assembly may be vented in one
of two ways. The tube assembly may be vented
by removing the 154-9024 Sampling Valve.
Thetubeassemblymayalsobeventedby
purchasing a 177-9343 Fluid Sampling Cap and
Pr
obe Gp from your Caterpillar dealer. Remove
the dust cap from the valve . The probe may be
inserted into the 154-9024 Sampling Valve in
or
der to vent the tube assembly. The probe must
be held in place.
A
dd Extended Life Coolant to the coolant tank
until the tube assembly is full.
I
nstall the 154-90 24 Sampling Valve or remove
the probe. Secure the dust cap to the valve.
- MAINTENANCE INTERVALS 1
- Operation and 2
- Maintenance 2
- Maintenance Interval Schedule 3
- Autom atic Lubrication Grease 5
- Tank - Fill 5
- (If Equipped) 5
- Grease Recommendations 6
- Backup Alarm - Test 7
- Battery - Recycle 7
- Battery or Battery Cable 7
- Inspect/Replace 7
- Body Pivot Bearings 8
- Brake Pads - Check 9
- Brake System Air - Pu rge 10
- Braking System - Test 11
- Illustration 126 12
- Illustration 127 12
- Illustration 128 12
- Circuit Breakers - R eset 13
- Cooling System Coolant (ELC) 13
- Illustration 131 14
- Illustration 132 14
- Illustration 130 14
- Coo ling System Coo lant 15
- Extender (ELC) - Add 15
- - C heck 15
- Illustration 135 16
- Illustration 137 17
- Illustration 138 17
- Cranksh aft Vibration Dam per 18
- - Change 19
- Level - C h eck 20
- Illustration 146 21
- Inspect/Repl 22
- Engine Air Filter Primary 23
- Element-C 23
- Engine Air Filte r Secon dary 24
- Element - Replac e 24
- Engine Cran kcase Breather 24
- Engine Oil L evel - Ch eck 25
- Engine Oil Sampl e - Obtain 25
- Illustration 156 28
- Illustration 157 28
- Illustration 158 28
- Engine Valve L ash - Check 29
- Ether Starting Aid Cylinder 30
- (OEM Attachmen t if Equipped) 30
- Front Frame 31
- Front Suspension Frame 31
- Oscillating Hitch 31
- Rear Frame 32
- Rear Frames 32
- Dump Body 32
- Radiator Mounts 32
- Mounts for the Suspension 32
- Fuel Sy stem 33
- Fuel System Primary Filter 34
- Illustration 170 35
- Illustration 171 35
- Fuel Syst 36
- Fuel Tank Cap and Strainer 36
- Fuel Tank Water and Sediment 37
- Fuses - Re place 38
- Hoist C ylinder Bearing s 39
- Lubricate 39
- Illustration 178 40
- Illustration 179 40
- Illustration 180 40
- Hydrauli 41
- Hydraulic System Oil Level 42
- Hydrau lic System Oil Samp le 43
- Hydrau lic Tank Breat her 43
- Clean/Inspect/Replace 43
- Hydrau lic Tank Strainer 44
- Clean/Insp ec 44
- Oscillating Hi tch - Ad just 44
- Oscillating Hitch - Lubricate 45
- Radiator Core - Clea n 46
- Refrig erant Dryer - Replace 47
- Rollover Protective Structure 47
- (ROPS) - Inspect 47
- Seat Belt - Insp ect 49
- Seat Belt - Replace 49
- Secondary Steering - Test 49
- Steering Cylinder Bearings 50
- Suspension System - Check 51
- Suspension and Su spen sion 51
- Cylinder Bear 51
- Tire Inflation - Ch eck 52
- Torque Converter and 52
- Transmission O il - Change 52
- Illustration 213 53
- Illustration 214 53
- Illustration 215 53
- Ecology Dr ain 54
- Transmission 55
- Oil Filter 55
- Oil Level 56
- Torque Con 57
- Transmission O il S ample 57
- Illustration 224 58
- Illustration 225 58
- Tran sfer G ear Oil Filter 59
- Illustration 230 60
- Illustration 229 60
- Transfer Gear Oil Samp le 61
- Illustration 232 62
- Illustration 233 62
- Illustration 234 62
- Windows - Clean 63
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