BASE AS.- 9U7546 - Caterpillar

You must read and understand the warnings and instructions contained in the Safety section of this manual before performing any operation or maintenance procedures.Differential And Final Drives
Check Oil Level
At operating temperature, the differential/final drive oil is hot. Refer to the Safety Section for information about hot oil and fluid penetration. 1. Park machine on level ground. Check oil level at both sight gauges at the rear of the final drive housing. Oil level should be above the center of the sight gauge. 2. To add oil if necessary, remove the breather cap from the fill tube on the right rear of the machine. Add oil until oil level registers above the center of the sight gauge.3. Clean and install the cap.Service Brake (4CJ1-435)
Inspect
Inspect the brake pads for excessive wear. Replace the pads, if worn or damaged. Also check the condition of the rotor surface. If the surface is severely scored, replace the rotor. Also inspect the brake casting for wear or damage. Replace the casting, if it is severely worn or damaged. Measure the dimension from the rotor to the back of the pad mounting plate. The minimum permissible thickness in the area of most wear is 11 mm (.44 in).Brake pad replacement requires removal of the belt and the wheel.See the Service Manual or contact your Caterpillar dealer for this procedure.Brake Caliper Guard (4CJ1-435)
Inspect
If freezing conditions have been experienced since last machine use, clean out inner drive wheels to prevent excessive force on the brake caliper protection scrapers when starting the machine. Inspect the condition of the scraper. Adjust scraper, if necessary. Check final drive caliper mounting for loose or missing bolts. Replace any missing bolts. Retighten all bolts to a torque of 140 14 N m (100 10 lb ft).Suspension Springs
Check Inflation Pressure
Use a self-attaching inflation chuck and stand behind the belt when inflating springs, to prevent possible personal injury.Proper inflation equipment, and training in using the equipment, are necessary to avoid overinflation.A blowout can result from improper or misused equipment.
Set the inflation equipment regulator at no more than 140 kPa (20 psi) over the recommended pressure to prevent machine damage.
A spring inflated in an enclosed shop are at a temperature of 18 to 21°C (65 to 70°F), is underinflated if the