Shifting Of Ranges And Gears In Gb With Double-Lever Control - Belarus 920.4 Operating Manual

BELARUS-920.4/952.4

1.3.12.2 Shifting of ranges and gears in GB with double-lever control

Figure 1.10 – Shifting of ranges and gears in GB with double-lever control
Shifting of ranges and gears is carried out by independent levers according to diagrams,
shown in Figure 1.10.
Chose the required speed of tractor movement as per information plate on the right side cab
window.
NOTE: synchronized accelerator control rules are listed in 900-0000010 OM.
To engage a gear, corresponding to the required speed of tractor movement, perform the
following actions:
А) depress the clutch coupling pedal and select the required range in GB by shifting the
range reducing gear lever 2 (Figure 1.10) back and forth as per the information plate on its handle.
ATTENTION: PASSES OF GEARING SHALL BE CARRIED OUT WHEN THE
TRACTOR IS FULLY STOPPED AND CLUTCH COUPLING PEDAL IS DEPRESSED.
ATTENTION: THERE IS NO NEUTRAL POSITION IN RANGE REDUCING GEAR IN
GB, THEREFORE EITHER THE I
ATED IN THE REDUCING GEAR.
B) depress the clutch coupling pedal and shift the gear shift lever 1 (Figure 1.10) to the re-
quired gear position as per information plate on its handle.
ATTENTION: ENGAGEMENT OF THE I
CARRIED OUT WHEN THE TRACTOR IS STOPPED AND WITH CLUTCH COUPLING PE-
DAL DEPRESSED.
Shifting of the 1
chronized, and is carried out by sliding pinions when the tractor is fully stopped. Before engage-
ment of the specified gears or range reducing gear stages release slightly and then fully depress the
clutch coupling pedal. The said technique ensures rotation of pinions and smooth engagement of
gears and ranges.
ATTENTION: TO EXCLUDE THE INCREASED NOISE LEVEL IN GB, THE GB CON-
TROL MECHANISM WAS DESIGNED WITH LOCKING SIMULTANEOUS ENGAGEMENT
TH
OF THE 4 (DIRECT) GEAR AND THE I
FORE ENGAGEMENT OF THE 4
STAGE OF RANGE REDUCING GEAR IS ENGAGED.
В) Release the clutch coupling pedal, start to move slowly in the selected gear .
ATTENTION: DO NOT HOLD YOUR FOOT ON THE CLUTCH PEDAL DURING
TRACTOR OPERATION. IT WIL ALLOW TO AVOID SLIPPING OF CLUTCH COUPLING
RESULTING IN OVERHEAT OR PREMATURE FAILURE OF THE CLUTCH.
1 – gear shift lever; 2 – range selector lever
ST
OR THE II
st
gear and reverse gear and selection of pass of gearing also is not syn-
ST
TH
(DIRECT) GEAR CAN BE POSSIBLE ONLY IF THE II
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ND
PASS OF GEARING IS ALWAYS ACTU-
ST
GEAR AND REVERSE GEAR SHALL BE
STAGE OF RANGE REDUCING GEAR. THERE-
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Operating manual
ND