7-12 LeeBoy Model 8616 Conveyor Paver
Maintenance
Auger Drive Chain Adjustment
1. The auger chains should be just snug, not loose.
To tighten chains, loosen horizontal bolts (Figure
7-8,1,2) in slots provided for taking play out of
forward and rear motion.
2. To adjust chains for the right auger, use bolts on
right side (Figure 7-8,1). For left auger adjustment
use bolts on left side (Figure 7-8,2). Loosen jam
nuts and turn adjuster counterclockwise (CCW) to
tighten chain.
3. Use bolt to adjust tension on chain.
4. Once adjusted, tighten jam nuts on adjustment bolts.
Once chain adjusters are tight, tighten hold-down
bolts (verticle).
2
1
Auger Chain Adjusting Bolts
Figure 7-8
1 - Right Auger Chain Adjuster Bolts
2 - Left Auger Chain Adjuster Bolts
Track Tension Pressure
Pressure Check
NOTE: Track pressure is set at 1200 PSI at track tension
manifold.
1. To check pressure, connect a 3000 PSI gauge at
one of the hoses going to the track tension cylinder
or use gauge port (Figure 7-9,1) for track tension in
cylinder manifold.
1
2
Main Manifold
Figure 7-9
1 - Gauge Port
2 - Pressure Reducing Valve
2. Start engine, set engine to 1400 rpm and observe
gauge. Pressure should go to 1200 PSI.
3. If pressure is not correct, adjust as needed (see
Track Tension Adjustment in Section 7).
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