8. Maintenance and Repair
PNEG-2175CE
CE Compliant Sampler - Model GCE 45 and GCE 90
35
Drive Clutch Adjustment
The drive clutch may need adjustment if it starts to slip. When following the instructions below, refer to
the clutch drawing
. Also reference the drawings of the samplers
and the
certified drawing(s).
1. Shut off and lock out all power (electrical, pneumatic and hydraulic). Make sure sampler pelican is
on the side opposite the drive motor.
2. Open the clutch access door in the rail guard and remove the clutch guard.
3. Fully loosen the three tension screws (19).
4. Loosen the adjusting nut (17) set screw (18) at least nine turns.
5. Turn the adjusting nut (17) clockwise to finger tightness. Tighten an additional 1/8'' turn.
6. Turn the adjusting nut (17) to position the adjusting nut (17) set screw (18) in the nearest spline on
the clutch hub (14) and tighten the set screw (18). Do not tighten the set screw (18) on the threads
of the hub.
7. Tighten the three tension screws (19) firmly against the adjusting nut (17).
8. Close the clutch access door in the rail guard and replace the clutch guard.
9. Restore power to the sampler and operate it through several collection cycles.
Drive Clutch, Facings, Bushing and Sprocket Replacement
The drive clutch may need to be replaced if adjustment fails to prevent slippage. When following the
instructions below, refer to the clutch detail
. Also reference the drawings of the samplers
and the certified drawing(s).
1. Shut off and lock out all power (electrical, pneumatic and hydraulic). Make sure sampler pelican is
on the side opposite the drive motor.
2. Open the clutch access door in the rail guard and remove the clutch guard.
3. Fully loosen the three tension screws (19).
4. Loosen the adjusting nut (17) set screw (18) at least nine turns.
5. Remove the adjusting nut (17), splined plate (15), friction facing (16), sprocket (21) and bushing (20).
6. Re-assemble the clutch using the new facings (16), sprocket (21) and bushing (20).
7. Turn the adjusting nut (17) clockwise to finger tightness. Tighten an additional 1/8'' turn.
8. Turn the adjusting nut (17) to position the adjusting nut (17) set screw (18) in the nearest spline on
the clutch hub (14) and tighten the set screw (18). Do not tighten the set screw (18) on the threads
of the hub.
9. Tighten the three tension screws (19) firmly against the adjusting nut (17).
10. Close the clutch access door in the rail guard and replace the clutch guard.
11. Restore power to the sampler and operate it through several collection cycles.