G
RASS
T
RIMMER
/B
RUSH
C
UTTER
O
PERATOR
'
S
M
ANUAL
23
A
A
LUBRICATION
Level 1.
Tools Required: 8 & 13 mm Open End Wrenchs, 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. Fill gearcase with grease.
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.
IMPORTANT
Flat edge of washers (D) must be against drive shaft.
Drive Shaft (Upper)
1. Remove coupler from upper drive shaft assembly by loosening
clamping screw (E) and removing set screw (F).
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. Install set screw (F) and tighten clamping screw (E).
E
F
B
C
B
D
Summary of Contents for SRM-251SB
Page 30: ...30 NOTES ...
Page 31: ...GRASS TRIMMER BRUSH CUTTER OPERATOR S MANUAL 31 NOTES ...
