If paintballs break when a q-pod is engaged
Apply fewer pre-winds to the q-pod (section 3.3 and 3.4).
Pre-fill the feed tube with paintballs by hand before engaging a q-pod (step 2.2.10).
Use only fresh, good quality, and non-brittle paintballs.

If paintballs break in when a q-pod is disengaged
Adjust the feed tube length (steps 2.1.11 and 2.2.11).
Fix the feed valve (section 3.5).
Use only fresh, good quality, and non-brittle paintballs.

If a q-pod will not feed paintballs
clean and dry the q-pod, socket, feed tube and elbow (section 3.2).
adjust the feed tube so that paintballs flow through it smoothly (step 2.1.16).
check the q-pod for improper assembly (section 3.4).
apply more pre-winds to the q-pod (section 3.3 and 3.4).
check the q-pod for missing and/or broken parts (section 3.3).
use only fresh, good quality, and non-brittle paintballs.

If paintballs break in your marker
make sure the paintball-detents in your marker are  functioning properly.
apply fewer pre-winds to the q-pods (section 3.3 and 3.4).
pre-fill the feed tube with paintballs by hand before engaging a q-pod (step 2.2.10).
use only fresh, good quality, and non-brittle paintballs.

If the reload socket will not wind properly
oil the triangular feature on the winder inside of the reload socket with a light oil.

If the feed tube pops out of the socket
clean the o-rings, socket and elbow (section 3.2).
replace worn or damaged o-rings (steps 2.2.12 to 2.1.16).
use two o-rings on each end of the feed tube (steps 2.2.12  to 2.1.16).

Refer to the manual.