CHAMPION USN72 - Manual (Page 54)

Quarterly Lubrication Requirements
Perform the following procedures every four months.
CAUTION:
Only qualified service personnel should perform preventive maintenance
on the dishwasher.
WARNING:
The conveyor drive contains moving parts.
Use caution when working around the conveyor drive assembly.
WARNING:
When working on the dishwasher, disconnect the electric service and place a red tag at the
disconnect switch to indicate work is being done on that circuit.
Refer to Figure 4.2 below.
1. Turn the power selector switch to OFF at the dishwasher remote control cabinet.
2. Remove the side panel protecting the drive chain located at the unload end of the dishwasher.
3. Apply a thin coat of oil (Browning GL32LT or comparable) to the drive chain (A).
Wipe off any excess.
4. Remove the oil level plug (B) from the top of the gearbox.
5. Remove the breather plug (C) from the side of the gearbox.
6. Remove the drain plug (D) from the bottom of the gearbox and drain the oil.
7. Flush the gear case with a light weight (5 or 10W) mineral oil.
8. Replace the drain plug (D) and refill the gearbox with Browning GL32LT or comparable oil.
9. Fill slowly until oil begins to drain from the oil level plug.
10. Allow the oil to settle for a few minutes, top off if required.
11. Replace oil level plug (B) and breather plug (C).
12. Replace side panel.
36
Part 4: CLEANING AND MAINTENANCE
!
Figure 4.2
Conveyor Gearbox and Drive Chain
Lubrication
B
A
C
D