UNDERCARRIAGE / Track Adjuster Disassemble Track Adjuster Use a pump unit which has the maximum pressure of 69 MPa (700 kgf/cm 2 , 9950 psi) and the flow rate of 8 to 10 liters (2.1 to 2.6 gal). Set the main relief pressure to 49 MPa (500 kgf/cm 2 , 7110 psi) (80 tons) or lower. IMPORTANT: Compress spring (7) until clearance between washer (9) and nut (11) is approximately 10 mm (0.4 in). 2. Loosen valve (12). Compress spring (7) in the track adjuster by using special tool (ST 4932). IMPORTANT: Use special tool (ST 4932). When assembling / disassembling the track adjuster. Clearance 10 mm (0.4 in) CAUTION:
Carefully perform disassembly and assembly work as spring force of the track adjuster is extremely large. Thoroughly inspect the special tool for any damage in order to perform the work safely. 6 12 CAUTION: Track adjuster weight: 200 kg (440 lb) 1. Hoist and place the track adjuster on the holder of special tool (ST 4932). W142-03-04-020 3. Remove valve (12) from rod (6). : 24 mm IMPORTANT: Put the matching marks on rod (6) and nut (11). 4. Remove plug (10) from nut (11). Remove nut (11) from rod (6). Track Adjuster : 85 mm : 5 mm W142-03-04-019 W3-4-3 9 11 10 ST 4932 Holder