Nexen 5H70PSP 914000 - Manual (Page 10)

10 FORM NO. L-20060-U-1209
ParTS rePlaCeMenT
Set Screw
(Item 20)
retaining
ring (Item 14)
FIGure 2
Set Screw
Collar (Item 25)
Drive Flange
assembly
Hub
(Item 1)
a. DISaSSeMBly.
refer to Figures 2-4.
1. Remove all Set Screws (Item 20). On Models 5H70P-
SP” and "5H80P-SP" the Set Screw Collar (Item 25)
must be removed also.
2. Remove Retaining Ring (Item 14).
3. Press Hub (Item 1) out of Drive Flange.
nOTe: If a press is not available, use a bearing
puller to remove Drive Flange assembly
from Hub.
4. Remove Backing Plate (Item 7).
nOTe: Backing Plate is initially assembled with 680
loctite ® . a bearing puller may be required
to remove it.
5. Remove Springs (Item 8).
6. Separate Cylinder ((Item 2), Drive Ring, and Bearing
(Item 11) from the Hub (Item 1), Piston (Item 3), and
Piston Bearing (Item 12).
7. At this point, if bearings are not being replaced, O-Rings
(Items 15 & 16) can be replaced and the Hub Spline
can be relubricated without further disassembly.
a. Coat O-Ring surfaces of Piston (Item 3) and Cylinder
(Item 2) with a thin film of O-Ring lubricant.
b. Coat O-Ring (Items 15 & 16) with a thin film of
O-Ring lubricant.
c. Install new O-Rings.
d. Coat Hub Spline Teeth with ‘Never-Seez” ® .
nOTe: If bearings are not being replaced, go to
"Paragraph C, reaSSeMBly".
FIGure 3
Backing Plate
(Item 7)
Spring
(Item 8)
FIGure 4
O-ring
(Item 16)
O-ring
(Item 15)
Cylinder
assembly
lubricate Spline
with
"never-Seez" ®
Piston and
Hub assembly
CAUTION
Working with spring loaded or tension
loaded fasteners and devices can cause
injury. Wear safety glasses and take the
appropriate safety precautions.