9
FORM NO. L-20070-E-0102
REPLACEMENT PARTS
The Item or “Balloon” Number for all Nexen Products is
used for part identification on all Product Parts List,
Product Price List, Unit Assembly Drawings, Bills of
Materials, and Instruction Manuals.
When ordering replacement parts, specify model
designation, item number, part description, and quantity.
Purchase replacement parts through your local Nexen
Distributor.
BEARINGS (Item 16)
NOTE: “DPC” Clutch Bearings are prelubricated,
sealed, and do not require further lubrication.
1.
Disconnect the air supply line, and Hose Assemblies
at the Piston/Drive Disc Elbow Fittings.
NOTE: If the “DPC” Clutch is shaft mounted;
remove the Rotary Air Union Cap (Item 25).
On through shaft installation; remove the
Elbow Fittings (Item 20) from the shaft.
2.
Loosen the Q.D. Bushing.
a.
remove Q.D. Bushing Pull-Up Bolts, and
Lockwashers.
b.
Insert Pull-Up Bolts into tapped Q.D. Bushing
removal holes, and alternately and evenly tighten
each one until the Splined Hub (Item 1) is loose
on the Q.D. Bushing.
3.
Wedge a screwdriver into the sawcut in the Q.D.
Bushing to loosen the Q.D. Bushing from the Shaft;
then remove the “DPC” Clutch.
4.
Remove Cap Screws (Item 28), and Lockwashers
(Item 27), and Sheave (Item 26) in mounted on the
“DPC” Clutch (See Fig. 10).
5.
Proceed with steps
1
through
7
for the Friction
Facing replacement.
6.
Remove Retaining Ring (Item 17) (See Fig. 10).
Special attention should be exercised when
working with retaining rings. Always wear
safety goggles when working with spring or
tension loaded fasteners or devices.
7.
Fully supporting the Housing (Item 5); press the Hub
(Item 1), out of the Housing and Bearings. (See Fig. 10).
8.
Remove Retaining Ring (Item 18) (See Fig. 10).
9.
Fully supporting the Housing (Item 5); push the
Bearing (Item 16), and Spacer (Item 17), out of the
Housing (See Fig. 10)
10. Clean bearing contact surfaces of both Housing
(Item 5), and Hub (Item 1) with fresh safety solvent.
11. Press new Bearings (Item 16), and Spacer (Item 7)
into the Housing (Item 5) (See Fig. 10).
NOTE: When installing new Bearings; carefully align
the Bearing O.D. with the Housing bore.
Apply Loctite
®
RC 601 or equivalent to the
outer race of the new Bearings.
12. Install Retaining Ring (Item 18) (See Fig. 10).
13. Fully supporting the inner race of the new Bearings;
press the Hub (Item 1) into the Bearings, and
Housing.
14. Install Retaining Ring (Item 17) (See Fig. 10).
15. Reverse Steps
1
through
5
to reassemble the “DPC”
Clutch; noting the chalk alignment marks, and tighten
all screws to the recommended torque (See Table 6).
16
5
1
26
28
27
17
18
18
18
18
18
7
FIGURE 10
®
DIST. AUTORIZADO
MEX (55) 53 63 23 31
QRO (442) 1 95 72 60
MTY (81) 83 54 10 18
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