KUBOTA
Paragraph 107
Fig. 141—Exploded view of typical brake control linkage. 1. Pedal R.H. 2. Pedal L.H. 3. Bushings 4. Bushings 5. Shaft support 6. Pedal shaft 7. Brake rods
8. Turnhuckle 9. Park hrake rod 10. Park hrake ratchet
\
Fig. 142—Exploded view of Internal, wet, disc type brake assembly used on Models L235, L245, L275, L295, L305, L345 and L355. Model LIBS brake is similar except a single brake disc (7) is used. Model L2B5 brake is shown in Fig. 145. 1. Ball seat 2. Ball 3. Cam plate 4. Cam 5. "0" ring 6. Snap ring 7. Brake disc 8. Brake plate ;. 9. Spiined sleeve 10. Gasket 11. Dowel 12. Brake housing 13. "0" ring 14. Brake cam lever
g. 143—Check flatness of brake cam plate using a feeler gage and surface plate.
outlined in paragraph 100. Disconnect brake rod from brake cam lever, then remove brake housing assembly, balls (2-Fig. 142) and seats (1) from rear housing. Separate cam plate (3), brake discs (7) and plate (8) from brake housing (12). Inspect all parts for excessive wear or other damage and renew as necessary. Move cam lever (14) by hand to check
Fig. 145—Exploded view of externai, dry, drum and shoe type brake used on Modei L2B5. 1. Gasket 2. Cam assy. 3. Dowel 4. "O" ring 5. Anchor plate 6. Snap ring 7. Brake shoes 8. Return spring 9. Snap ring 10. Brake drum 11. Gasket Fig. 144- -Measure cam plate thickness with a ball instalied as shown. Refer to text
52
12. Cover
operation. If cam (4) binds, remove and clean. Be sure to renew "0" ring (5). Check cam plate flatness (Fig. 143) using a surface plate and feeler gage. If a 0.3 mm (0.012 inch) feeler gage can be inserted between surface plate and machined surface of cam plate, renew cam plate. Measure thickness of cam plate with a ball installed as shown in Fig. 144. If thickness is less than 20.6 mm (0.811 inch), renew cam plate. Minimum allowable thickness of brake disc is 4.2 mm (0.165 inch). Minimum allowable brake plate thickness is 2.1 mm (0.083 inch). To reinstall brake assembly, reverse the removal procedure. Apply coating of grease to balls (2 - Fig. 142) and seats (1) to hold them in place. Be sure brake cam plate fits snugly onto the four projections of differential bearing case. Renew brake housing "0" ring (13). Adjust brake pedal free travel as previously outlined. Model L285 107. To remove brake assembly, disconnect brake rod and remove brake cover (12-Fig. 145). Remove outer snap ring (9) and withdraw brake drum (10). Remove brake shoes (7) and return spring (8). Unbolt and remove anchor plate (5). Remove retaining ring (6) and withdraw brake cam (2). To renew brake pinion shaft oil seal, carefully pry old seal out of final drive case. Lubricate lip of new seal with grease, then install over pinion shaft being careful not to damage seal lip. Brake shoes (7) should be renewed when lining is worn to within 0.3 mm (0.012 inch) of rivet heads. Maximum allowable inside diameter of brake drum is 147 mm (5.79 inches). Check operation of cam and clean and polish rotating surfaces as needed. Renew "0" ring (4) and gasket (1). To reinstall brake, reverse the removal procedure. Adjust brake pedal free travel as outlined in paragraph 105.
12