Bolens 979 Manual Do Serviço

Página de 24
12
required due to normal wear on the cable. Adjustment 
is needed if all six speeds do not work.
The adjustable cable bracket is located on the left side 
of the mower beside the engine. See Figure 14.
Start engine and place speed control lever in the 
sixth speed position. See Figure 13.
Figure 13
Stop engine and disconnect spark plug wire and 
ground it against engine.
Loosen hex nut which secures the adjustable cable 
bracket. See Figure 14.
Push back on the adjustable cable bracket and 
tighten hex nut.
Figure 14 
Engine Adjustments
See the separate engine manual packed with your unit 
for adjustments to the engine.
SECTION 7:  MAINTAINING YOUR LAWN MOWER
General Recommendations
Always observe safety rules when performing any 
maintenance.
The warranty on this lawn mower does not cover 
items that have been subjected to operator abuse 
or negligence. To receive full value from the 
warranty, operator must maintain the lawn mower 
as instructed in this manual. 
Changing of engine governed speed will void 
engine warranty. 
Some adjustments will have to be made 
periodically to maintain your unit properly. All 
adjustments in the Making Adjustments section of 
this manual should be checked at least once each 
season. 
Bottom View
Speed Control
Lever
Upper
Handle
Hex Nut
Adjustable Cable
PUSH
Bracket
Customer Responsibilities
MAINTENANCE 
SCHEDULE
P
R
O
D
U
C
T
E
N
G
IN
E
SERVICE 
DATES
A
fte
ea
ch
 u
se
E
ve
ry
 2
ho
ur
s
E
ve
ry
 5
h
ou
rs
B
ef
o
re
 s
to
ra
ge
E
ve
ry
 1
00
 h
o
ur
s
O
nc
a
 s
e
as
on
Lubricate Wheels
Clean Deck
Blade Care
Change Oil
Clean Engine
Replace Air Filter
Check Spark Plug
Check Spark Arrester (if any)
Lubricate Blade Control
Check Oil