22 
lubrication
Level 1.
Tools required: 5 mm Hex Wrench, Clean Rag
Parts Required: POWER BLENDXTM 8 oz. (P/N 91014) or Lithium Base Grease.
Drive Shaft Upper
IMPORTANT
The drive shaft must be lubricated with high temperature auto- motive grease every 25 hours of operation, otherwise drive shaft assembly overheating and failure can result.
1.Loosen clamping knob (A).
2.Pull locator pin (B) and rotate 1/4 turn counter clockwise to lockout position.
3.Remove attachment.
4.Remove coupler (E) from upper drive shaft assembly by loosening clamping screw (C) and removing set screw (D).
5.Remove upper flex cable (F), wipe clean, and apply a thin coating of
1/2 oz. (15ml) of grease.
6.Install cable. Make sure that the flex cable fully engages into the clutch square drive socket.
7.Slide coupler on upper drive shaft until fully seated, and align set screw hole in coupling with hole in upper drive shaft.
8.Install and tighten set screw (D), and tighten clamping screw (C).
C 
D
AB
E
A
D
B
F