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PAGE 18 — MGX SERIES • OPERATION AND PARTS MANUAL — REV. #0 (03/26/12)
4. Place a 5/16-inch wrench on the flat side of the motor
shaft coupling.
5. Using a pair of pliers, grip the flex shaft core crimp.
6. Turn the motor coupling clockwise with the wrench to
remove shaft from motor.
Figure 10. Removing Shaft from Motor
7. Slowly pull the wire core from the shaft.
8. Inspect the core for broken wires, permanent set or
other damage such as an area that indicates high wear
or having overheated. If any of these conditions exist,
replace shaft/head assembly.
9. Use the core to push a cleaning patch through the
casing to remove any old grease or foreign matter that
may have accumulated inside the casing.
10. Thoroughly clean wire core (Figure 11) if it is being
reused. A wire brush may be required to remove
hardened residue.
Wrench
Motor Threaded
Connector
Pliers
Flex Shaft Core
Flex Shaft
Core Crimp
Plastic Coupler
NOTICE
DO NOT use solvents to clean casing. Applying solvents
to the core or casing may cause grease (lubricant) to
breakdown, resulting in damage to the shaft.
Figure 11. Cleaning Wire Core
11. Apply a light amout of DuBois "TPG" lubricant (Figure 11)
or a good grade bearing grease to the entire length of
the wire core.
12. Reinstall wire core back into casing.
13. Align the flexible shaft core to the motor shaft.
14. Using a pair of pliers, grip the flex shaft core crimp.
15. Place a 5/16-inch wrench on the flat side of the motor
shaft.
16. Turn the motor coupling counterclockwise with the
wrench until tight.
17. Align and push the flexible shaft into the motor threaded
connector.
18. Tighten the plastic coupler making sure shaft/head
assembly is connected securely to the motor.
TPG
LUBRICANT
WIRE
CORE
CLOTH
WIRE
BRUSH
NOTICE
DO NOT force casing full of grease. A tightly packed
casing will load the drive motor which could lead to
overheating.
MAINTENANCE