31
4111-0004 — Apr. 2021
© 2021 Systems, LLC
MAINTENANCE
Quarterly Maintenance
• Complete Weekly Maintenance.
• Inspect the following for damage/abnormal wear:
• Check welds for cracks.
• Cylinder pins and mounting holes.
• Lip hinge pins and rear hinge pins.
• Check toe guards for free movement.
• Check J-box for water damage.
•
Inspect hoses, cylinders, fittings and
powerpack.
• Control box and conduit for damage.
• Bumpers for more than 1” of wear. Replace
worn, loose, damaged or missing bumpers.
• Side and rear weather seals.
• Lubricate the following areas with light weight
machine oil (see Figure 23):
(
A
)— Lip hinge area unless equipped with grease
fittings (apply oil to the top of the entire
length of lip hinge when platform is at the full
below-dock position and lip is folded)
(
B
)— Lip lifter and lift cylinder pin
(
C
)— Platform hinge area (apply oil to top of all
platform hinges when platform is at the full
below-dock position)
(
E
)— Platform cylinder-to-platform frame pin
(
F
)— Lip cylinder-to-platform frame pin
• Lubricate the following areas with white lithium
grease (see Figure 23):
(
D
) — All platform cylinder trunnions
Note:
Apply grease to lip hinge grease fittings if
equipped.
Failure to properly lubricate the dock leveler will
cause abnormal operation of the leveler.
• Check reservoir fluid level (
C
, see Figure 24):
1. Raise platform fully and engage the maintenance
prop in the service position. Allow platform to
rest on the prop so the lip will fully fold until it
contacts the lip stops.
2. Turn OFF all electrical power to the leveler and
lock out/tag out the electrical power supply.
3. Remove breather cap (
B
).
4. Measure fluid level. The fluid level should
be approximately 3 in. (76.5 mm) from top
of reservoir (
C
) with platform raised on the
maintenance prop.
5. Add hydraulic fluid if necessary. Use only
recommended fluid (see page 30).
6. Reinstall breather cap.
7. Remove lock out/tag out and turn ON electrical
power to the leveler.
8. Return the platform to the cross-traffic position.
Yearly Maintenance
• Complete Quarterly Maintenance.
• Change hydraulic oil (may be required more often
depending upon conditions)
.
A - Reservoir
B - Breather Cap
C - Fluid Level
3 in.
Periodic Maintenance (continued)
B
C
A
Figure 24
Содержание Poweramp EH Series
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