UNDERCARRIAGE / Travel Device Assemble Travel Motor IMPORTANT: Apply grease to the inner periphery of oil seal (5) for case (1) at the pressed-in part and the outer pe- riphery of oil seal (5). In addition, oil seal (5) should be pressed in straight in order not to deform. 1. Install oil seal (5) to case (1). IMPORTANT: Install the outer race of roller bear- ing (6) with the stamped mark facing to the swash plate (9) side. 2. Tap the outer race of roller bearing (6) evenly by using a bar and hammer and install the outer race to case (1). IMPORTANT: Align the spherical hole in swash plate (9) with steel ball (8) and install swash plate (9).
Apply grease to the contact part of case (1) for swash plate (9). 6. Install swash plate (9) to case (1) with its thicker side facing downward. IMPORTANT: Apply hydraulic oil to the piston (10) mounting hole of cylinder block (14). Check the mounting direction of re- tainer (11). 7. Install springs (13) (9 used) and holder (12) to cylinder block (14). Install pistons (10) (9 used) to retainer (11). Install retainer (11) to cylinder block (14). NOTE: Tap and listen to ring in order to check if the outer race is installed to case (1) com- pletely. CAUTION: The cylinder block (14) assembly weight: 20 kg (40 lb) IMPORTANT:
Apply hydraulic oil to the piston (10) sliding surface of swash plate (9) and the spherical surface of holder (12). There is the inner race of roller bearing (17) on the tip of shaft (7). Do not damage them. Align the spline of shaft (7) with that of cylin- der block (14). 8. Install the cylinder block (14) assembly to shaft (7). IMPORTANT: Install the inner race of roller bearing (6) with its collar facing to the swash plate (9) side. 3. Tap the inner race of roller bearing (6) evenly by using a bar and hammer and install the inner race to shaft (7). Tap and install the shaft (7) assembly to case (1) by using a hammer. IMPORTANT:
Apply hydraulic oil on outside pe- riphery of steel ball (8) and piston (4). Apply hydraulic oil to the piston and the steel ball mounting surface of case (1). 4. Install springs (3) (2 used), pistons (4) (2 used) and steel balls (8) (2 used) to case (1). CAUTION: The case (1) assembly weight: 54 kg (120 lb) CAUTION: The case (1) assembly weight: 54 kg (120 lb) 5. Install eyebolts (M18, Pitch 2.5 mm) into the socket bolts (30) hole (2 places) on case (1). At- tach a nylon sling onto eyebolt. Hoist and place the case (1) assembly with the brake release cir- cuit facing downward. W3-2-39