10 General Information 25-6 Separating Assemblies Model 2120 Tractor TM-4252 (Dec-70) 'A L 45333 Fig. 6 Separating between Clutch Housing and Transmission Case, R.H. Side Fig. 7 Removing Gear Shift Cover 1 Shift cover 2 Clutch housing attaching points 3 Attaching screws 4 Cover 1 Wiring harness 2 Attaching screws 3 Hydraulic pump pressure line 4 Brake lines 5 Hydraulic oil reservoir vent line 6 Line clamp Remove cap screws 2 (figs. 6 and 7) securing clutch housing to transmission case, and separate clutch housing from transmission case. Disconnect brake line (see 4, fig. 6) at master cylinder. Remove transmission cover. Discard seal rings provided between the two housings.
Disconnect both harnesses to rear fenders at connectors. Disconnect cable at starter safety switch and cables at stop light switch. On tractors with continuous-running PTO: Be sure ball and spring provided on some PTO shaft types do not get lost (see section 50, group 30). On tractors equipped with HIGH-LOW transmis¬ sion: Remove screws (see 3, fig. 7). Disconnect connecting rod from lever shaft and remove cover 4 complete with lever shaft and control arm. INSTALLATION Install new seal rings in clutch housing front facing transmission case. On tractors equipped with independent PTO: Before removing cover (see 4, fig. 7), move PTO shift lever in engaged position.
After cover 4 has been removed, do not move PTO shift lever otherwise lock balls and springs will drop out of cover. Slide clutch housing against transmission case. Slide PTO drive shaft into needle bearing sleeve of front PTO shaft or, if front PTO is not provided, into needle bearing sleeve of bearing cover. Remove screws attaching transmission shift cover to clutch housing. Remove gear shift cover complete with shift levers. On tractors with continuous-running PTO: Make sure, spring and ball provided on some powershaft types are installed in PTO drive shaft, bearing housing or front powershaft. Align clutch housing with centerline of PTO drive shaft and slide against transmission case.
Mesh powershaft gears with splines of hollow PTO drive shaft. Remove transmission oil filter. Printed in Germany