Warming Transmission-Hydraulic System Oil

causym CAUTION: Overheated hydraulic oil can cause personal injury and component malfunctions. To prevent hydraulic oil from overheating, DO NOT hold SCV or multi-function control lever in operating position for an extended period of time.

Hydraulic system may be slow to function when tractor is started in cold weather. Cold oil will not flow easily through the filter screen or hydraulic system filter (A).

Steering will be slow until system warms up.

Hydraulic system will function normally when oil warms up.

LV9609


A-Hydraulic Oil Filter

OUO1023,00027CA -19-07MAR06-1/4

1. Connect jumper hose to SCV I couplers (A).


A-SCV I Couplers

LV12599
LV12600

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NOTE: Knob setting stop is in the front, center position (bold arrow).

2. Deluxe SCV: Turn SCV I selector knob to cylinder (automatic) detent position (A).

3. Loosen lock nut (B) and turn flow control knob (C) fully counterclockwise (open).


A-Automatic Detent Position
B-Lock Nut
C-Flow Control Knob

LV9667

Viewed from Operator Station

LV12596

Flow Control Knob

OUO1023,00027CA -19-07MAR06-3/4

4. Depress clutch pedal, start engine and idle at 1200 rpm.

5. Move SCV I control lever (A or B) forward or rearward until hydraulic oil warms to operating temperature.

6. Turn steering wheel side-to-side to check warm-up progress. When wheel turns smoothly without hesitation, oil has warmed to operating temperature. After transmission-hydraulic oil has warmed to operating temperature:

  • Return SCV lever to neutral.
  • Deluxe SCV: Return detent selector and flow control knobs to original positions and setting.
  • Remove jumper hose.


A-SCV I Control Lever

LV12665

Straddle Mount and Hi-Crop

LV12602

Cab and IOOS

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