G
RASS
T
RIMMER
/B
RUSH
C
UTTER
O
PERATOR
'
S
M
ANUAL
25
LUBRICATION
Level 1.
Tools Required: 8 mm Open End Wrench, Screwdriver, Clean Rag
Parts Required: ECHO
®
LUBE
TM
8 oz. (P/N 91014) or Lithium Base
Grease.
Gear Housing
1.
Clean all loose debris from gear box.
2.
Remove plug (A) and check level of grease.
3.
Add grease if necessary, DO NOT over fill.
Drive Shaft (Lower)
IMPORTANT
Lower and upper drive shaft must be lubricated with high tempera-
ture automotive grease every 25 hours of operation, otherwise
drive shaft assembly overheating and failure can result.
1. Loosen two (2) screws (B) and remove center locating screw (C).
Pull gear box and shield from drive shaft housing.
2. Pull flexible cable from the drive shaft housing, wipe clean and
re-coat with a thin coating [15 ml (1/2 oz.)] of ECHO
®
LUBE
TM
.
3. Slide the flexible cable back in the drive housing. DO NOT get
dirt on the flex cable.
4. Install the gear housing and shield assembly.
Drive Shaft (Upper)
1. Remove coupler (D) from upper drive shaft assembly by loosening
clamping knob (E) and pulling locator pin (F) out, and turning 1/4
turn counter clockwise to lockout position.
2. Remove upper flex drive cable, wipe clean and apply a thin coating
15 ml (1/2 oz.) of ECHO
®
LUBE
TM
.
3. Install flex drive cable. Make sure that the flex cable engages into the
clutch mount and also into the coupler mount.
4. Slide coupler on upper drive shaft until fully seated. Rotate locator
pin 1/4 turn clockwise to engage lower shaft hole. Insure locator pin
is fully engaged by twisting lower drive shaft.
5. Secure lower shaft assembly to coupler by tightening clamping knob
(E).
B
C
A
E
F
D