NO. 120 MOTOR GRADER Every 50 Service Hours Or Weekly Caterpillar


Every 50 Service Hours Or Weekly
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1.1. (4)Drive Pinion, Blade Lift And Blade Lift Shaft And Link Ball Sockets
2.1. (5)Center Shift Pinion Drive Housing And Link Ball Sockets
3.1. (6)Circle, Shoes And Spacers
4.1. (7)Power Control Output Shaft
5.1. (8)Scarifier
6.1. (9)Steering Gear Shafts
7.1. (10)Steering Cylinder, Draft Ball Joint And Tie Rod Block
8.1. (11)Tie Rod Ends, Front Wheel Rack And Worm Gear Housing
9.1. (12)Tie Rod And Steering Arm
10.1. (13)Lean Pivot And Knuckle Pins
11.1. (14)Wheel Rack And Axle Pivot Pin
12.1. (15)Front Wheel Lean Pivot Pins
13.1. (16)Bevel Pinion And Wheel Lean Housing And Shaft
14.1. (17)Wheel Lean And Scarifier Shafts Support Bearings

(4)Drive Pinion, Blade Lift And Blade Lift Shaft And Link Ball Sockets

Lubricate 5 fittings on each side. Total 10 fittings.

(5)Center Shift Pinion Drive Housing And Link Ball Sockets

Lubricate 3 fittings.

(6)Circle, Shoes And Spacers

Apply lubricant with a paddle to top and bottom of circle, front and back of 4 guide shoes and ends of circle teeth.

(7)Power Control Output Shaft

Lubricate 1 fitting.

(8)Scarifier

1. Lubricate 1 drive housing fitting.

2. Lubricate 4 link ball sockets and 1 drive shaft fittings.

(9)Steering Gear Shafts

1. Lubricate 3 fittings.

2. Lubricate 1 fitting (recessed in bolster housing).

(10)Steering Cylinder, Draft Ball Joint And Tie Rod Block

Lubricate 8 fittings.

(11)Tie Rod Ends, Front Wheel Rack And Worm Gear Housing

Lubricate 4 fittings.

(12)Tie Rod And Steering Arm

Lubricate 3 fittings at each front wheel. Total 6 fittings.

(13)Lean Pivot And Knuckle Pins

Lubricate knuckle pins top and bottom, at each front wheel. Total 4 fittings.

(14)Wheel Rack And Axle Pivot Pin

Lubricate front wheel rack and axle pivot pin at front. Total 3 fittings.

(15)Front Wheel Lean Pivot Pins

Lubricate 3 fittings at each front wheel. Total 6 fittings.

(16)Bevel Pinion And Wheel Lean Housing And Shaft

Lubricate 5 fittings.

(17)Wheel Lean And Scarifier Shafts Support Bearings

Lubricate 2 fittings.