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Copyright Meritor, Inc., 2022
MM-0861 / Revised 06-22
Page 39
Printed in USA
3 Introduction
OIL PUMP
CROSSOVER
TUBE
4016829b
P-CLAMP
ASSEMBLY
MTC-4208/10 XLEC PASSENGER SIDE MOUNTED COOLER
Figure 3.13
Blow-by Breather
The rear cover portion of the housing is equipped with a blow-
by breather for the high/low shifter. Figure 3.14. The breather,
which points sideways on the driver side of the housing, prohibits
pressurization of the housing if an o-ring becomes damaged.
Because all range shifts require full time pressurization, a damaged
o-ring would allow air to fill the housing which could further
damage the yoke seals or blow oil from the housing.
4000191d
HIGH RANGE
PORT
LOW RANGE
PORT
BLOW-BY
BREATHER
(IF EQUIPPED)
NEUTRAL PORT
(PTO-EQUIPPED ONLY)
Figure 3.14
Full-Torque Power Take-Off (PTO)
CAUTION
Do not engage the full-torque power take-off (PTO) when the
transfer case prop shafts are turning. Damage to the transfer case
will result.
Engage or disengage the PTO when the vehicle is stationary, the
transmission is in Neutral, and the transfer case prop shafts are
not turning. NEVER load the driven auxiliary device when PTO is
initially engaged. Use the transfer case in-cab switches to place the
transfer case into Neutral.
Engagement can be confirmed by hearing it or observing the
optional indicator light in the cab.
The PTO may be operated in high/low/Neutral range.
When operating the PTO in Neutral range, do not exceed 2,000
rpm. Control the transmission shift range and engine rpm to ensure
this limit is not exceeded.