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SIDE SHIMMING OF BOOM SECTIONS
800D
7-8
Published 5-27-2018 Control # 039-06
SWING DRIVE SERVICE
Lubrication and Maintenance
Manufacturer recommends changing oil after first 50 hours
of operation. Oil should be changed at 500-hour intervals
thereafter. All gearboxes require GL-5 grade EP 80/90 gear
oil for lubrication. Some units may be equipped with a grease
fitting for lubrication of the output shaft bearings (pinion up
applications). The shaft bearings should be greased
sparingly at every 50 operating hours with a lithium or GP
bearing lube. In pinion down applications, gearbox oil will
lubricate Shaft bearings.
Oil Capacities
70 oz (9.64 kg)
Disassembly Procedure
1. Remove drive from vehicle and drain gearbox lubricant
by removing the drain plug (
2. Remove the motor from the motor adapter (
30
).
3. Remove the brake assembly from the gear housing
assembly (
7
) by removing eight sockethead capscrews
(
18
). NOTE: Notice the position of the brake port in
conjunction with the drain and fill holes in the housing for
reassembly.
4. Separate the motor adapter (
30
) from the brake housing
(
15
) by removing eight capscrews (
32
). NOTE: Notice
the position of the motor mounting hole in relation to the
brake release port for re-assembly. CAUTION: The
motor adapter is spring-loaded and the capscrews
should be loosened in a sequence that will allow an even
load distribution on the motor adapter.
5. Inspect the motor adapter o-ring (
29
) for damage.
Replace if necessary.
6. Remove the six springs (
33
), piston (
25
), and brake
driver (
27
) from brake housing (
15
). NOTE: Notice the
position of the dowel-pin hole in piston with respect to
the brake release port for re-assembly. NOTE: A port-a-
power can be used to assist in the removal of piston by
slowly pressurizing the brake release port until piston
clears the top of housing (
15
). Remove statorplates (
19
)
and friction discs (
20
) from the brake housing (
15
).
Inspect stator plates for excessive grooving or burn
spots. Also, inspect friction discs for wear. Replace as
required.
)
7. Remove stator plates (
19
) and friction discs (
20
) from
the brake housing (
15
). Inspect stator plates for
excessive grooving or burn spots. Also, inspect friction
discs for wear. Replace as required.
)
.
8. Inspect the piston o-rings (
22
&
23
) and the back-up
rings (
21
&
24
) for damage, replace if necessary.
(
9. If applicable remove 2nd piston (
36
) from the brake
housing (
15
), inspect o-rings (
37
&
38
) and back-up
rings (
39
&
40
) for damage, replace if necessary.
(
Inspect bearing (
41
) in brake housing (
15
)
replace if necessary.
NEW
REPLACE IF
THICKNESS IS
BELOW 0.070
FRICTION DISK
(WITHOUT WEAR)
0.080
0.085
FIGURE 7-2
9415
O-RINGS
BACK-UP
RING
PISTON
O-RING
INSTALLATION
BACK-UP
RINGS
FIGURE 7-3
9416
Fo
r
Reference
Only
Содержание National Crane 800D
Страница 1: ...Operator and Service Manual National Crane 800D F o r R e f e r e n c e O n l y ...
Страница 4: ...F o r R e f e r e n c e O n l y ...
Страница 98: ...MAINTENANCE 800D 3 10 Published 5 27 2018 Control 039 06 THIS PAGE BLANK F o r R e f e r e n c e O n l y ...
Страница 194: ...SPECIFICATIONS 800D 8 4 Published 5 27 2018 Control 039 06 THIS PAGE BLANK F o r R e f e r e n c e O n l y ...
Страница 216: ...INSTALLATION 800D 9 22 Published 5 27 2018 Control 039 06 THIS PAGE BLANK F o r R e f e r e n c e O n l y ...
Страница 232: ...CRANE INSTALLATION 800D 10 16 Published 5 27 2018 Control 039 06 THIS PAGE BLANK F o r R e f e r e n c e O n l y ...
Страница 252: ...SCHEMATICS 800D 2 Published 5 27 2018 Control 039 06 F o r R e f e r e n c e O n l y ...
Страница 255: ...F o r R e f e r e n c e O n l y ...
Страница 256: ...F o r R e f e r e n c e O n l y ...