Repair manual
CRT Repair Gearbox and Spider
wc_tx000095gb.fm 35
6.2 Gearbox Removal and Installation
See Graphic: wc_gr001582
6.2.1 Place trowel on a flat, level surface large enough for the trowel and
capable of supporting the weight of the trowel.
To remove right side gearbox:
6.2.2 Drain water tank. Remove 2 bolts located under tank.
6.2.3 Remove water line from tank by loosening clamp and pulling off tube.
Remove tank.
To remove left side gearbox:
6.2.4 Close fuel valve. Remove bolts located under tank.
6.2.5 Loosen clamp and slide hose from fitting.
Removal:
6.2.6 Remove nut (q) from each pitch cable and pull cable out of pitch yoke.
6.2.7 Remove 4 screws (a) from outside end of each universal joint (c).
6.2.8 Remove 2 bolts (r) and washers (s) holding each gearbox mount
bearing flange (t) on each gearbox.
6.2.9 Using an appropriate lifting device, carefully and slowly lift the trowel
off the gearbox.
Trowel will be unbalanced and could swing. Be sure to have an
additional person to guide the trowel.
6.2.10 Proceed to Section Spider Removal and Installation for spider
removal.
Installation:
6.2.11 Proceed to Section Spider Removal and Installation for spider
installation.
6.2.12 To reinstall the gearboxes, place the gearbox under the trowel.
6.2.13 Align the bolt holes and apply Loctite 243 or equivalent to the bolts (r)
and reinstall along with washers (s). Torque bolts to 86 Nm (60 ft.lbs.).
6.2.14 Replace 4 screws (a) from outside end of each universal joint (c).
6.2.15 Pull each cable down to the pitch yoke and thread it through the hole
of the pitch cable mount (u). Attach nut (q).
WARNING