Gearbox Disassembly - WACKER Group PDT 2 Repair Manual

Disassembly/Assembly Procedures

5.10 Gearbox Disassembly

See Graphic: wc_gr003461 and wc_gr003462
5.10.1 Remove the engine and drain the oil from the gearbox. See section
5.10.2 Remove the connecting rod. See section Replacing the Connecting
5.10.3 The gearbox housing may remain mounted to the pump housing for
5.10.4 Remove the two longer screws (a) that secure both the lifting bracket
5.10.5 Remove the rest of the screws (b) that secure the gearbox cover (c) to
5.10.6 Remove the screws (d) and lockwashers that secure the engine
5.10.7 Pull the pinion gear (f) (with the bearing attached) from the gearbox
5.10.8 Remove the retaining ring (g) from the pinion gear and press the
5.10.9 Press the seal (h) and the needle bearing (i) from the gearbox cover.
5.10.10 Remove the Woodruff key (j) from the gear shaft.
5.10.11 Pull the internal gear (k) and its pinion gear, then the external gear (l)
5.10.12 Remove the seal (m) from the gearbox housing.
wc_tx000590gb.fm
This procedure requires an Arbor or similar type press.
Disassembly:
Replacing the Engine.
Rod and Bearing.
the rebuilding procedure. If the gearbox housing is being replaced,
remove the screws that secure it to the pump housing and remove it
from the pump housing.
and the gearbox cover to the gearbox housing.
the gearbox housing and remove the gearbox cover. It may be
necessary to gently pry the gearbox cover to remove it. If prying is
necessary, be careful not to damage the gasket (n) while prying.
adapter (e) to the gearbox cover and remove the engine adapter.
cover.
bearing from the pinion gear.
Note: Older machines are fitted with a gearbox cover which utilizes an
O-ring. This older style is no longer available. These models have
been replaced by gearbox covers which use the seal.
and its shaft, from the gearbox housing. Note: Work both sets of gears
simultaneously if necessary to remove them. Once removed, press the
bearings and the gears (internal and external) from their shafts.
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PD Repair