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.

LV10294


A-Hydraulic Oil Filter

OUMX005,0001A75 -19-28APR05-1/5

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


A-SCV I Couplers

LV9665

Basic Two-Section Valve

LV9666

Deluxe Three-Section Valve

OUMX005,0001A75 -19-28APR05-2/5

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).


A-Automatic Detent Position

LV12694

Deluxe Valve

OUMX005,0001A75 -19-28APR05-3/5

3. Deluxe SCV: Loosen lock nut (A) and turn flow control knob (B) fully counterclockwise (open).


A-Lock Nut
B-Flow Control Knob

LV9658

Flow Control Knob

OUMX005,0001A75 -19-28APR05-4/5

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

5. Move SCV I control lever (A) 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
LV9827

Cab Shown; Open Station Similar


A-SCV I Control Lever

OUMX005,0001A75 -19-28APR05-5/5