6
6.1.2
Lower wheel
1. Release cam lever (D, Figure 6-1) and
remove lower wheel (E). If needed, use
adjusting wheel (see F, Figure 8-1) to lower
post further for additional clearance.
2. Position new wheel in groove and engage
cam lever.
3. Raise lower wheel assembly using adjusting
wheel (F, Figure 8-1).
6.2
Wheel orientation
Upper and lower wheel housings can be rotated
90-degrees to accommodate different sizes of
material, and prevent material from contacting
machine frame while being worked. See Figure
6-2.
Remove lower wheel to provide clearance for
the following steps.
Figure 6-2
6.2.1
Lower wheel positioning
1. Release cam lever (D, Figure 6-3).
2. Raise lower wheel housing until knurled
screw (G
1
) reaches top of slot, as shown.
3. Turn lower wheel housing until knurled
screw enters opposite slot and push down
until knurled screw hits bottom of opposite
slot (G
2
).
6.2.2
Upper wheel positioning
1. Turn adjustment knob (H, Figure 6-4)
counterclockwise until upper wheel housing
(J) clears frame block (K).
2. Turn upper wheel housing 90-degrees and
raise it by turning adjustment knob (H)
clockwise until housing is properly seated.
3. Install lower wheel and bring lower wheel
assembly into working position.
Figure 6-3
Figure 6-4
6.3
Wheel alignment
If wheels are not centered with one another,
alignment can be made as follows.
1. Loosen four set screws (L, Figure 6-5).
2. Turn
adjusting
nut
(M)
outward
(counterclockwise) in small incremental
steps, and the opposite adjusting nut inward
by the same amount, until upper wheel is
centered over lower wheel.
3. Tighten four setscrews (L).
