CAT Articulated Truck 725 Specifications Page 29
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130 SEBU8524
Maintenance Section
Engine Valve Lash - Check
Instructions f
or the installation of the filter are
printed on the side of each Caterpillar spin-on
filter. For non-Caterpillar filters, refer to the
installation
instructions that are provided by the
supplier of the filter.
g0112574
2
Illustration 159
10. Remove oil filler cap (2). Fill the crankcase with
new oil through the filler tube.
Refer to Operation and Maintenance Manual,
“Lubricant Viscosities” and Operation and
Mainte
nance Manual, “Capacites (Refill)”.
11. Remove dipstick (1) and then clean the dipstick.
Reinst
all the dipstick.
12. Remove the dipstick and check the oil level. The
oil le
vel should be between the “ADD” and “FULL”
marks on the dipstick. Add oil, if necessary.
13. Start
the engine and run the engine at low idle
for 1 minute.
14. Repe
at steps 11 and 12.
15. Close the hood and shut off the engine.
i02680477
Engine Valve L ash - Check
SMCS Code: 1105-535
Engine valve lash adjustments should be made at
every 2000 hour interval.
Note: Engine valve lash adjustment on new engines
or on reconditioned engines should be made at 500
hours.
Maintenance is recommended by Caterpillar for
engine valve lash adjustments. The maintenance
for engine valve lash is part of the lubrication and
preventive maintenance schedule in order to provide
maximum engine life.
NOTICE
Only qualified
service personnel should perform this
maintenance. Refer to the Service Manual or your
Caterpillar Dealer for the complete engine valve lash
adjustment pr
ocedure.
Be sure the engine cannot be started while this
maintenance is being performed. To prevent pos-
sible injury, do not use the starting motor to turn
the flywheel.
Hot engine components can cause burns. Allow
additional time for the engine to cool before mea-
suring/adjusting engine valve lash clearance.
NOTICE
Operation of Caterpillar Engines with improper engine
valve lash adjustments will reduce the engine efficien-
cy. This
reduced efficiency could result in excessive
fuel usage and/or shortened engine component life.
Measure
the engine valve lash with the engine
stopped. To obtain an accurate measurement, allow
at least 20 minutes for the valves to cool to engine
cylind
er head and block temperature.
i00128925
Engin
e Valve Rotators - In spect
SMCS Code: 1109-040
When inspecting the valve rotators, protective
glas
ses or face shield and protective clothing
must be worn, to prevent being burned by hot oil
spray.
Inspect the engine valve rotators after the valve
clearances have been set.
1. Start the engine and run the engine at low idle.
2. Wa
tch the top surface of each valve rotator. When
theintakevalveortheexhaustvalvecloses,the
engine valve rotator should turn slightly.
If an intake valve or an exhaust valve fails to rotate,
consult your Caterpillar Dealer.
- 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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