Walker PERFAERATORTM PA6685 - Manual (Page 15)

Maintenance Instructions
13
LUBRICATION
Grease Fitting and Oil Point Lubrication
Lubricate the grease fittings and oil points after ev-
ery 8 hours of operation (or as recommended be-
low). Use Almagard
®
#3752 (Walker P/N 6685-7)
grease for grease fittings and light machine oil
(SAE 10) to lubricate oil points.
Gearbox
The gearbox is permanently lubricated (oil filled) and
sealed requiring no scheduled lubrication. How-
ever, the gearbox oil seal(s) should be checked ev-
ery 25 hours for indication of an oil leak. If gearbox
oil is changed, fill with 15 oz. (44 cl) of 80W-90 gear
oil. Do not overfill.
Drive Chain
Lubricate the drive chain every 8 hours. A light
penetrating oil or special purpose chain oil is recom-
mended. Lubricate the drive chain as follows:
1. Remove the three (3) bolts fastening the
removable chain guard cover to the frame.
Remove Chain Guard Cover
2. Apply oil to the drive chain.
3. Adjust the chain if necessary. Refer to AD-
JUSTMENTS of Drive Chain Tension in this
section.
4. Reinstall chain guard cover by reversing the re-
moval procedure.
Lifting Mechanism
Lubricate the grease fittings (4) across the lifting
mechanism attached to the frame every 25 hours.
Use SAE general purpose lithium or molybdenum
base grease.
Lubricating Lift Mechanism and Camshaft Drive
Camshaft Drive System
Lubricate the grease fittings (16) on the camshaft
drive system every 4 hours. Use Almagard
®
#3752
lubricant (Walker P/N 6685-7).
The bearings at each end and attached to the retrac-
tor plate arms are sealed and should be greased ev-
ery 100 hours of operation. Use SAE general
purpose lithium or molybdenum base grease.
PTO U-Joint
Lubricate the grease fitting for the PTO U-Joint ev-
ery 8 hours with SAE general purpose lithium or
molybdenum base grease.
The PTO U-Joint is accessed by removing the gear-
box cover.
WARNING
DO NOT attempt to lubricate the machine
with the tractor engine running. Disen-
gage the PTO clutch, shut off the ma-
chine, and remove the ignition key.
Lifting
Mechanism
Camshaft
Drive