ST 400
22
!
Fig. 8
X
Fig. 10
ROTOR AND BLADES
ST400 are fitted with original HOWARD BLADES model
9900/9901. See fig. 8 where the left blade is marked with
X. Use always only ORIGINAL HOWARD BLADES and
HOWARD.blade bolts. As an option it can be fitted
wiht»speed» blades model 9953/54 ( Fig.9 )
The blades must form a «scroll» patern (fig. 10). This ensure
that they enter the soil at regular intervals to even out the
load on the transmission.
When replacing worn blades, remove one blade and fit the
new one in its place before proceeding to the next. This will
ensure that the blade «scroll» patern is mantained.
Rotacadet
ST400 can optionally be is fitted with a special rotor with
four blades per flange type ROTACADET (9941/9942)
When replacing worn blades take special attention to the
following instructions in order to get the correct mounting
and maintain the «scroll patern·». (Fig. 11)
ATTENTION! IN ORDER TO OBTAIN A CORRECT MAINTENANCE AND FUNCTION OF
YOUR MACHINE IS IMPERATIVE TO FOLLOW THE ENCLOSED INSTRUCTIONS:
• (D) DAILY:
1. Lubricate with grease gun PTO spiders.
2. Lubricate with grease gun right hand stub axle bearing
3. Lubricate with grease gun roller bearings
• (S) WEEKLY:
1. Top up with oil SAE W85-140 The gearbox.
2. Top up with oil SAE W85-140 The side drive gearcase.
3. Tighten fasteners.
• (A) EVERY 500 WORKING HOURS:
1. Drain flush and fill with oil SAE W85-140 the gearbox.
2. Drain flush and fill with oil SAE W85-140 the side drive
gearcase.
3. Lubricate with oil the spindles
LUBRI MAINTENANCE
D = right
I
= left
Fig. 11
S
S
A
D
S
D
A
D
D
S
A
