Wittke FEATHERWEIGHT, Maintenance Manual

Page: 144 / 171

134 Packer Maintenance
4. Enter the hopper and remove the grease fitting hoses (on each cylinder) [see Figure 8 - 3].
5.
Remove the packer end cylinder pins.
Cylinder pins are held in place by 4 bolts (see Figure 8
- 4).
6.
Exit the hopper and close the side access door.
7. Start the engine and turn ON the hydraulic pump.
8.
Fully retract both packer cylinders.
9. Turn OFF the hydraulic pump and the engine.
10.
Secure both cylinders to keep them from falling on the body floor.
11. Remove the hydraulic hoses (see Figure 8 - 6) and front header end pins from both cylinders.
Install plugs to disconnected hoses to avoid oil spill and hydraulic system contamination.
Figure 8 - 6 Hydraulic hoses
12. Using an appropriate and safe lifting device, pull the cylinders out of the body (by the roof).
Be extra careful when conducting this step.
N
OTE
: A packer cylinder weighs approximately 450 lbs (without oil).
13.
To reinstall both cylinders, perform the procedure in reverse.
Warning!
Cylinders must be properly secured before removing their retaining pins. Failure to do so
may result in damage, severe injury or even death.
Warning!
Make sure that the cylinders are properly secured before pulling them out of the body and
always use an appropriate lifting device. Failure to do so may result in damage, severe
injury or even death.