How do you adjust the brakes on a D3B?

How do you adjust the brakes on a D3B?

Check this first. To adjust the brakes first disconnect the lever rod and spring going to the brake lever under the seat. There is an oval shaped cover with two screws holding it on that covers the brake band adjustment rod. There is also a bolt undder the machine that supportsthe brake band form thh bottom. Loosen it it up first.

How to adjust steering brakes on a caterpillar D3 Dozer?

1. Tighten adjusting screw (3) to a torque of 45 ± 7 N·m (33 ± 5 lb ft). 2. Loosen adjusting screw (3) two and one half turns (fifteen flats on the hex). NOTE: Installation of pedal assemblies (14) requires a minimum of two washers between pedal assemblies and one washer at each end. If required end play is not attained add washers at ends only. 3.

Where are the steering valves on a D3B?

Click to expand… The D3B has two steering valves located under the seat. There is a roller bearing on the end of the valve that is known for going bad. It dows not push the valve all of theway in to release hydraulic pressure on the clutches.

Is there a Repair Manual for a D3B?

I don’t have a repair manual for this Cat but have read an older D3 manual. There it says that the steering clutch has to be removed, press off the hub and then you can remove the final. Would this apply to the D3C?

1. Tighten adjusting screw (3) to a torque of 45 ± 7 N·m (33 ± 5 lb ft). 2. Loosen adjusting screw (3) two and one half turns (fifteen flats on the hex). NOTE: Installation of pedal assemblies (14) requires a minimum of two washers between pedal assemblies and one washer at each end. If required end play is not attained add washers at ends only. 3.

How to tighten the brake band on a D3B?

There is also a bolt undder the machine that supportsthe brake band form thh bottom. Loosen it it up first. Then tighten the top adjustment up all of the way tight then back off 1 1/2 turns. Then tighten the bottom al of the way tight and back t off 1 1/2 turns then tighten the jam nut.

I don’t have a repair manual for this Cat but have read an older D3 manual. There it says that the steering clutch has to be removed, press off the hub and then you can remove the final. Would this apply to the D3C?

Click to expand… The D3B has two steering valves located under the seat. There is a roller bearing on the end of the valve that is known for going bad. It dows not push the valve all of theway in to release hydraulic pressure on the clutches.