Arctic Cat 400TRV 2011 Service Manual page 17

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4. Install the left-side engine cover and seat making
sure the seat locks securely in place.
 NOTE: An E (Error) in the gear position icon indi-
cates no signal or a poor ground wire connection in
the circuit. Troubleshoot the harness connectors,
gear shift position switch connector, gear shift posi-
tion switch, and LCD connector.
Frame/Welds/Racks
The frame, welds, and racks should be checked periodi-
cally for damage, bends, cracks, deterioration, broken
components, and missing components. If replacement or
repair constitutes removal, see Section 8.
Hydraulic Brake Systems
CHECKING/BLEEDING
The hydraulic brake systems have been filled and bled at
the factory. To check and/or bleed a hydraulic brake sys-
tem, use the following procedure.
1. With the master cylinder in a level position, check
the fluid level in the reservoir. On the hand brake if
the level in the reservoir is adequate, the sight glass
will appear dark. If the level is low, the sight glass
will appear clear. On the auxiliary brake, the level
must be between the MIN and MAX lines on the res-
ervoir.
2-10
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2. Compress the brake lever/pedal several times to
check for a firm brake. If the brake is not firm, the
system must be bled.
3. To bleed the main brake system, use the following
procedure.
A. Remove the cover and fill the reservoir with DOT
4 Brake Fluid.
B. Install and secure the cover; then slowly compress
the brake lever several times.
C. Remove the protective cap, install one end of a
clear hose onto one FRONT bleeder screw, and
direct the other end into a container; then while
holding slight pressure on the brake lever, open
the bleeder screw and watch for air bubbles. Close
the bleeder screw before releasing the brake lever.
Repeat this procedure until no air bubbles are
present.
 NOTE: During the bleeding procedure, watch the
reservoir/sight glass very closely to make sure there
is always a sufficient amount of brake fluid. If low,
refill the reservoir before the bleeding procedure is
continued. Failure to maintain a sufficient amount of
fluid in the reservoir will result in air in the system.
D. At this point, perform step B and C on the other
FRONT bleeder screw; then move to the REAR
bleeder screw and follow the same procedure.
E. Repeat step D until the brake lever is firm.
4. To bleed the auxiliary brake system, use the follow-
ing procedure.
Section
Table of Contents
AF637D
PR377C