Fuel flow erratic? Check fuel line.
Air taken in through suction line? Check suc-
tion line.
Recoil starter not working properly.
Dust in rotating part? Clean recoil starter as-
sembly.
Spiral spring failure? Replace spiral spring.
ENGINE ROTATES BUT AMPLITUDE NOT UNI-
FORM OR DOES NOT STRIKE
Operation speed of throttle lever is incorrectly
set? Set throttle lever to correct position.
Oil in excess? Drain excess oil. Bring to correct
level.
Clutch slips? Replace or adjust clutch.
Spring Failure? Replace spiral spring.
Speed of engine improper? Adjust engine
speed to correct operating RPM setting.
E N G L I S H •
TECHNICAL DATA
BVC830
POWER
IMPACT FORCE
JUMPING STROKE
FUEL CAPACITY
TAMPER SIZE
IMPACTS PER MINUTE
WEIGHT
BVC940
POWER
IMPACT FORCE
JUMPING STROKE
FUEL CAPACITY
TAMPER SIZE
IMPACTS PER MINUTE
WEIGHT
U se r's m a n ua l
3 HP (2 Kw)
10 kN
6,5 cm
2,8 L
34,5 cm x 28,5 cm
450 - 650
68 kg (149,9 lb)
4 HP (3 Kw)
13 kN
8,5 cm
2,8 L
34,5 cm x 28,5 cm
650 - 690
76 kg (167,5 lb)
17