Land Pride Powered Rakes PR1660, Руководство оператора

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Section 4: Maintenance & Lubrication
Table of Contents
11/6/18 PR1660, PR1672 & PR1690 Powered Rakes 314-216M
23
Drive Chain Maintenance
The operator should check chain tightness after initial run
in and periodically thereafter to make sure that the drive
chain is tensioned correctly. If adjustment is needed refer
to
“Drive Chain Adjustment” on page 19.
Sprocket and Chain Replacement
Refer to Figure 3-6 on page 19:
1. Remove 1/4" x 1 1/4" and 1/4" x 1 1/2" hex socket cap
screws (#6 & #7).l
2. Remove main cover plate (#1).
3. Loosen chain tension by turning chain tension take-
up bolt (#5) counterclockwise.
4. Remove nuts (#8) retaining sprockets (#10).
5. Remove sprockets (#10) and chain (#11).
NOTE: Oil in chain case! Be prepared to capture oil
when taking off bottom cover.
6. Install new chain and sprockets.
7. Install sprocket retaining nuts (#8). Torque tight.
8. Tension idler roller by tightening take-up bolt (#5).
See “Drive Chain Adjustment” on page 19 for
detailed chain take-up instructions.
9. Turn tension roller several turns and observe roller
chain to make sure everything is working properly.
10. Apply 1/8" bead of Land Pride No. 821-049C sealant
on the chain case edge where cover plate (#1)
contacts the chain case. Reinstall cover plate with
1/4" -20 x 1 1/4" GR2 and 1/4" -20 x 1 1/2" GR2 hex
socket cap screws (#6 & #7). Tighten cap screws to
the correct torque.
11. See “Chain Case Lubrication” on page 28 for
recommended lubrication. Remove top and bottom
plugs (#3). Fill Chain case with recommended
lubrication through top plug hole until oil escapes out
through bottom plug hole. (Equivalent to 2 1/2 pints.)
12. Reinstall and tighten top and bottom plugs (#3).
Drive Chain Adjustment
Figure 3-6
21097