4 CLUTCH 4A. CLUTCH DISC (Fig.3) Outside diameter 240 +1 mm. Inside diameter 170 + 1.5 mm. _ 1.0 Thickness of clutch disc 8.2 ± 0.3 mm. with new lining under 850 kg load ‘A’ Parallelism of 0.15 mm. clutch linings Maximum permissible 30 gm-cm. imbalance of clutch disc Cushioning of clutch disc 0.65/0.9 mm Spline specification of 23 Teeth involute clutch disc Total friction area 452 sq.cm. (both sides) 4B. CLUTCH PRESSURE PLATE ASSEMBLY (Fig.4) Height of pressure plate 46.5 mm. housing ‘A’ max. Height of diaphragm 47.6 ± 1 mm. tip from cover mounting surface ‘B’ Max. permissible imbalance 25 gm-cm. of pressure plate assembly Max. permissible face run 0.8 mm. out of release bearing contact surface of diaphragm Clamp load on clutch disc 750 (min.) kg. Diaphragm release load Max. 160 kg. (with Disc) Tip travel, 'C' 8.4 +1 mm. Max tip travel after use of disk, 'D' max. 7.7 mm. Pressure plate lift for min. 1.4 mm. release travel 8.4 mm 4C. CLUTCH ACTUATION HYDRAULIC SYSTEM Clutch master cylinder 19.05 mm. diameter Clutch master cylinder 34.5 mm. stroke Slave cylinder diameter 23.81 mm. Slave cylinder stroke 52.0 mm. 5. REMOVAL OF CLUTCH FROM VEHICLE ● Place chokes on wheels to prevent movement of vehicle. ● Disconnect battery and electrical connections of the starter motor. ● Loosen mounting bolts and remove starter motor. ● Unlock and remove U/J cross mounting strip screws at gear box end. Disconnect propeller shaft from gear box and suspend it sideways suitably. ● Loosen and remove clutch slave cylinder mounting nuts and tie it suitably. ● Pull out reverse indicator switch cable connector. ● Disconnect speedo cable. ● Disconnect and remove gear box along with adaptor plate (Follow the procedure given in gear box group for removal of gear box assembly from vehicle) ● Unscrew clutch housing bottom cover mounting screws and remove cover. ● Remove Assy. clutch release bearing with fork from ball pin. ● As a safety measure, support clutch pressure plate and clutch disc with mandrel. Unscrew six mounting bolts evenly (alternately and crosswise) in small steps. ● Remove clutch pressure plate assembly and clutch disc along with the mandrel.
RkJQdWJsaXNoZXIy MTIwNTUz