21
GEARBOX REMOVAL:
Remove the handle and the motor as previously instructed.
R270, R450, R451:
1. Remove the Socket Head Cap Screws and
Lockwashers (Fig 7, #29 & #28) holding the
Gearbox to the Lower System.
2. Push the Guide Tube (Fig 9, #3) down until it
exposes the Ram Head and Piston Pin (Fig 7, #27).
While holding the Gearbox, tap out the Piston Pin
with a hammer and drift pin. The Gearbox may
now be removed from the Lower System. See
Figure 1.
FIGURE 1
R374, R376:
1. Remove the Socket Head Cap Screws (Fig 8, #40)
from the top of the Guide Tube flange.
2. Push the Bellows and Rubber Gasket down until
the Flat Head Socket Screws are exposed (Fig 8,
#29). Remove the flat head socket screws and
Conical Lockwashers (Fig 8, #29 & #28). The
conical washers may not be reused. New conical
washers must be used upon assembly.
3. Push the Guide Tube (Fig 10, #3) down until it
exposes the Ram Head and Piston Pin (Fig 7, #27).
While holding the Gearbox, tap out the Piston Pin
with a hammer and drift pin. The Gearbox may
now be removed from the Lower System. See
Figure 2.
FIGURE 2
