SPECIFICATIONS AND SERVICE DATA-POWER SHIFT TRANSMISSION
AND TORQUE CONVERTER
25-70 p.s.i. [1,7-4,9 kg/cm²] C-270 only
55-70 p.s.i. [3,9-4,9 kg/cm²] C-5000 & C & CL-8000
brake set (see note), oil temperature 180 - 200° F.
Converter outlet oil temp. 180º-200°F
[82,2.93,3 C]. engine at idle (400 to 600 RPM),
shift thru direction and speed clutches. All clutch
Transmission in NEUTRAL
pressure. must be equal within 5 psi. [0,4 kg/cm²].
Minimum pressure at 2000 R.P.M. engine speed AND
If clutch pressure varies in any one clutch more
maximum pressure. with engine operating at no-load
than 5 psi [0.4 kg/cm²] repair clutch.
NOTE- Never use service brakes while making
Forward and Reverse - Manual
Speed Selection - Manual
clutch pressure checks
Unit, having brake ac-
tuated declutching in forward and/or reverse. will
Multiple discs. hydraulically actuated, spring
not give a true reading.
released, automatic wear compensation and no
adjustment. All clutches oil cooled and lubri-
ALWAYS USE PARKING BRAKE WHEN MAKING
CLUTCH PRESSURE CHECKS
CLUTCH OUTER DISC Steel
Full flow oil filter safety by-pass, also strainer
screen in sump at bottom of transmission case.
TYPE OF OIL
See Lube Chart.
FOR CLARK POWER SHIFTED TRANSMISSION
Consult Operator's Manual on applicable
machine model for system capacity. Torque
Converter, Transmission and allied hydraulic
Prevailing Ambient Temperature
system must be considered as a whole to
CHECK PERIOD Check oil level DAILY with engine running
at 500-600 RPM and oil at 180 to 200° F.
[82,2, 93,3° C]. Maintain oil level to FULL
DRAIN PERIOD Every 250 hours, change oil filter element.
Every 500 hours, drain and refill system as
Drain with oil at 150 to 200° F.
[65,6 - 93,3° C].
Drain transmission and remove sump
screen. Clean screen thoroughly and
replace, using new gaskets.
Drain oil filters, remove and discard
filter elements. Clean filter shells and
install new elements.
Refill transmission to LOW mark.
Run engine at 500-600 RPM to prime
converter and lines.
Recheck level with engine running at
500-600 RPM and add oil to bring
level to LOW mark. When oil tempera-
ture is hot (180-200°F.) [82, 2-93, 3°C]
make final oil level check. BRING OIL
LEVEL TO FULL MARK.