UNDERCARRIAGE / Travel Device Assemble Travel Device The disassembling procedures of travel device for ZAXIS450-3, 450LC-3, 470H-3 and 470LCH-3 are same to ZAXIS500LC-3 and 520LCH-3 except ring gear (44). This is explained according to the illustration of ZAXIS450-3, 450LC-3, 470H-3 and 470LCH-3. 5. Install eyebolt (A) into the bolt (45) hole (2 places) on drum (8). Hoist and place drum (8) with the ring gear (44) side facing upward. Tap and install the outer race of roller bearing (9) to drum (8) by using a bar and hammer evenly. Eyebolt (A) ZAXIS450-3, 450LC-3, 470H-3, 470LCH-3: M18, Pitch 2.5 mm ZAXIS500LC-3, 520LCH-3: M14, Pitch 2.0 mm CAUTION: Housing (5) weight:
ZAXIS450-3, 450LC-3, 470H-3, 470LCH-3: 90 kg (198 lb) ZAXIS500LC-3, 520LCH-3: 100 kg (221 lb) 1. Wind a nylon sling to the body of housing (5). Hoist and place housing (5) with the motor (1) side facing downward. 2. Install one half of floating seal (6) to housing (5) by using a wooden spatula or similar tool. Tap and install the inner race of roller bearing (7) to housing (5) by using a bar and hammer evenly. NOTE: Tap and listen to ring in order to check if the outer race is installed to drum (8) completely. CAUTION: Sprocket (14) weight: ZAXIS450-3, 450LC-3, 470H-3, 470LCH-3: 85 kg (187 lb) ZAXIS500LC-3, 520LCH-3: 115 kg (254 lb) NOTE:
Tap and listen to ring in order to check if the inner race is installed to housing (5) completely. 6. Attach nylon slings (2 used) to sprocket (14). Hoist and place sprocket (14) onto drum (8). 7. Apply LOCTITE #262 to bolt (16). Install sprocket (14) to drum (8) with bolts (16) (24 used) and spring washers (15) (24 used). CAUTION: Drum (8) weight: ZAXIS450-3, 450LC-3, 470H-3, 470LCH-3: 100 kg (221 lb) ZAXIS500LC-3, 520LCH-3: 185 kg (408 lb) 3. Install eyebolt (M22, Pitch 2.5 mm) into the bolt (16) hole (2 places) on drum (8) from the motor (1) side. Hoist and place drum (8) with the ring gear (44) side facing downward.
Tap and install the outer race of roller bearing (7) to drum (8) by using a bar and hammer evenly. : 32 mm : 750 N m (76.5 kgf m, 550 lbf ft) NOTE: Tap and listen to ring in order to check if the outer race is installed to drum (8) completely. 4. Apply grease to O-ring of floating seal (6) on the drum (8) side. Install one half of floating seal (6) to drum (8). W3-2-21