Section 220-0040
1
SM 1638 1-99
STEERING SYSTEM - Steering and Brake Control Tank
OPERATION
Numbers in parentheses refer to Fig. 1, unless
otherwise specified. Letters in parentheses refer to
Fig. 3. Refer to Fig. 2 for hydraulic schematic of
steering and brake control tank.
The steering and brake control oil flow is drawn from
port 'A', through suction screen (11), by the steering
pump mounted on the transmission power takeoff. Oil
is then pumped to the accumulator valve in the
steering circuit and the brake manifold valve in the
brake control circuit. Internal pump leakage oil is
returned to tank (1) at port 'B' from a line at the case
drain port on the steering pump.
Port 'C' is plugged and provides a tank drain point.
SM - 1566
DESCRIPTION
Numbers in parentheses refer to Fig. 1.
The Steering and Brake Control Tank can be
identified as item 1 in Section 220-0000, STEERING
SYSTEM SCHEMATIC.
The steering and brake control tank (1) is the
common oil reservoir for the steering and brake
control systems. It is mounted off the left hand frame
rail beside the main hydraulic tank.
Integral with tank (1) assembly are filter assembly
(10), suction screen (11), window nuts (12) and oil
level switch (16). Access covers (3 & 4) give easy
access to replace filter assembly (10) and suction
screen (11).
Fig. 1 - Exploded View of Steering and Brake Control Tank
1 - Tank
2 - Latch
3 - Access Cover
4 - Access Cover
5 - Gasket
6 - Bolt
7 - Lockwasher
8 - Filler Cap
9 - Plug
10 - Filter Assembly
11 - Suction Screen
12 - Window Nut
13 - Rod
14 - Wing Nut
15 - Gasket
16 - Oil Level Switch
17 - Bracket
18 - Bolt
19 - Hardened Washer
20 - Nut
21 - Washer
22 - Bolt
23 - Nut
24 - Bracket Assembly
25 - Hinged Cover
26 - Manifold Plate
27 - Locking Pin
28 - Hinge Pin
29 - Cotter Pin
30 - Lockwasher
31 - Bolt
32 - Chain
33 - Drain Plug
*34 - Adaptor
*35 - Valve
*36 - Drain Plug Kit
* - Optional
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