Nexen B-275 802874 - Manual (Page 8)

8 FORM NO. L-21026-E-1209
ParTS rePlaCeMenT
nOTe: refer to Figures 5, 6, 7 and 8
1. Remove the Retaining Ring (Item 2) from the pilot end
of the clutch.
2. Use a bearing puller tool to remove the Pilot Mount
Disc (Item 15) and Ball Bearing (Item 3) from the Hub
(Item 1).
nOTe: a Sheave (Item 4-not shown) may be used instead
of the Pilot Mount Disc (Item 15) when B-275 model
#802872 or B-275 model #802873 is used.
3. Remove the Spring Retaining Washer (Item 23) and
Wave Spring (Item 5).
4. Fully support the Pilot Mount Disc (Item 15) and press
the Ball Bearing (Item 3) out of the Pilot Mount Disc
(Item 15).
nOTe: Do not reuse this bearing. The force required to
press the bearing out of the Pilot Mount Disc damages
the bearing.
5. Clean the bearing bore of the Pilot Mount Disc (Item
15) with fresh safety solvent, removing all old Loctite®
residue.
6. Apply an adequate amount of Loctite® 680 to evenly
coat the outer race of the new Bearing (Item 3).
7. Carefully align the outer race of the new Ball Bearing
(Item 3) with the bore of the Pilot Mount Disc (Item
15).
8. Support the Pilot Mount Disc (Item 15). Press the
new Ball Bearing (Item 3) into the Pilot Mount Disc by
pressing on the outer race of the Ball Bearing.
nOTe: use only a new bearing. Do not reuse the old
bearing. The force required to press the old bearing out
of the Pilot Mount Disc damages the bearing.
9. Slide the Friction Disc - Piston sub assembly from the
Hub (Item 1).
10. Remove the O-ring Seal (Item 10) from the Piston (Item
13).
11. Remove the O-ring Seal (Item 11) from the Air Chamber
(Item 9).
12. Fully support the Piston (Item 13) and press the Friction
Disc Assembly (Item 7) out of the Ball Bearing (Item
32).
(continued...)
FIGure 6
Friction Disc-Piston�
Assembly
Hub
Air Chamber
FIGure 5
Retaining Ring
(Item 2)
Bearing
(Item 3)
Spring Retaining
Washer
(Item 23)
Pilot Mount
Disc
(Item 15)
Friction Disc-Piston
Assembly
Hub Air Chamber
Wave Spring
(Item 5)
CAUTION
Working with spring loaded or tension
loaded fasteners and devices can cause
injury. Wear safety glasses and take the
appropriate safety precautions.
FIGure 7
Friction Disc
Assembly
(Item 7)
Retaining
Ring
(Item 28)
Bearing
(Item 32)
Piston
(Item 13)
Seal
(Item 10)
Seal
(Item 11)
Air Chamber
(Item 9)