Parts & service
Air Champ Clutch Model XHWC
Manufactured by Norman G Clark under licence since 1962.
On this page: Clutch Bushes Spare parts Repair kits Air connections Troubleshooting
XHWC
Clutch
| NGC part no. | Description | Nexen part no. |
|---|---|---|
| AF0001 | XHWC Clutch – 2-3/8″ Bore | 811100 |
| AF0002 | XHWC Clutch – 60mm Bore |
Specifications
| Diameter | 11″ |
XHWC
Bush & Key Set
| NGC part no. | Description |
|---|---|
| AF1733 | Imperial Bush & Key Set – 1-3/4″ ID x 2-3/8″ OD |
| AF1734 | Imperial Bush & Key Set – 2″ ID x 2-3/8″ OD |
| AF1735 | Imperial Bush & Key Set – 1-7/8″ ID x 2-3/8″ OD |
| AF1765 | Imperial Bush & Key Set – 1-1/8″ ID x 2-3/8″ OD |
| AF4060 | Metric Bush & Key Set – 40mm ID x 60mm OD |
| AF4260 | Metric Bush & Key Set – 42mm ID x 60mm OD |
| AF4560 | Metric Bush & Key Set – 45mm ID x 60mm OD |
| AF4860 | Metric Bush & Key Set – 48mm ID x 60mm OD |
| AF5060 | Metric Bush & Key Set – 50mm ID x 60mm OD |
| AF5560 | Metric Bush & Key Set – 55mm ID x 60mm OD |
XHWC
Spare Parts
| Item | NGC part no. | Description | Qty | In repair kit |
|---|---|---|---|---|
| 1 | AF1701 | Hub 2-3/8″ Bore | 1 | |
| 1 | AF1730 | Hub 60mm Bore | 1 | |
| 3 | AF1704 | Friction Disc | 1 | |
| 4 | AF1703 | Friction Facing | 1 | |
| 5 | AF1706 | Air Chamber | 1 | |
| 6 | AF1707 | Piston | 1 | |
| 7 | AF1717 | Bearing Spacer (Small) | 1 | |
| 8 | AF1716 | Bearing Spacer (Large) | 1 | |
| 9 | AF1718 | Retaining Ring | 1 | |
| 10 | AF1709 | Compression Spring | 1 | Yes |
| 11 | AF1708 | Ball Bearing | 4 | Yes |
| 12 | AF1719 | Reataining Ring (External) | 1 | |
| 14 & 15 | AF1710 | O-Ring Seal Set | 1 | Yes |
| 16 | AF1713 | Brass Screw (Countersunk) | 8 | |
| 17 | AD1325 | Grub Screw | 2 | |
| 18 | AB1141 | Slotted Spring/Torque Pin | 1 | Yes |
| 24 | AF1715 | Spline Collar | 1 | |
| 25 | AF1702 | Drive Disc | 1 |
XHWC
Repair Kits
| NGC part no. | Description | Nexen part no. |
|---|---|---|
| AF1725 | XHWC Repair Kit | |
| A848272 | LoCo Facing Kit | 848272 |
XHWC
Air Connections
XHWC
Troubleshooting Guide
| Symptom | Possible cause | Solution |
|---|---|---|
| Failure to engage | Air not getting to the clutch due to a control valve malfunction or low air pressure | Check control valve and air pressure setting |
| Defective O-ring Seals causing air leaks | Replace O-ring Seals | |
| Lack of lubrication on the Hub spline or in the air chamber | Lubricate the Hub spline with a thin film of Never Seez® or check air line lubricator settings | |
| Rigid pipe or tubing for air line connections | Use flexible pipe or tubing for all air line connections | |
| Failure to disengage | Friction lock due to a lack of lubrication on the Hub spline or in the air chamber | Lubricate the Hub spline with a thin film of Never Seez® or check air line lubricator settings |
| Broken Return Spring | Install a new Return Spring | |
| Unexhausted air due to a control valve malfunction | Check or replace control valve | |
| Excessive drag on the air line | Defective Bearings | Replace Bearings |
| Air line is not properly supported | Rest the air line against a support that is parallel to the center line of the clutch |