T ilting the Cab

Use the following instructions tilt the cab:

Note: Before raising the cab, the engine must shut f and all loose items the cab must

T ake the cab tilt pump handle from its stored

Note: The cab tilt pump handle stored inside the the right side cab back wall, behind the folding seat.

Insert the handle into the pump and move the pump control lever (see arrow) the RAISE position (refer the illustration).

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Note: the service position, the cab must secured with the safety prop (see

T o secure the cab the service loosen the thumbscrew and swing the safety prop down onto the safety prop stud (see The slot the safety prop should settle securely around the stud (refer the illustration

W Arning

certain that ther e e people, tools unsecur vehicle parts the path the descending cab befor e shifting the pump contr lever .

may necessary manipulate the pump control lever , while the cab descending, the safety prop settles the stud.

T o raise the cab the f u l l t i l t position, pump the cab past the balance point. Note that the cab will descend itself, although the rate descent may controlled manipulating the pump control lever from the RAISE LOWER position.

Lowering the Cab

Note: Before lowering the cab, the cab safety prop must the stored position and the transmission must

Move the pump control lever the LOWER position.

Pump until the cab past the balance point and allow the cab descend and

Leave the pump control lever the LOWER position while the vehicle

Bleeding the Cab T ilt System

Note: order bleed the the cab must the lowered

Note: T o perform a system bleed, the following steps must performed the designated order:

Connect all hydraulic

T ighten all connections (except two) the tilt cylinder .

T ighten one connection each latch cylinder

Fill the pump reservoir the top with MACK specified oil.

Caution

not r efill the r eservoir with the cab the RAISE

Close and tighten the fill

Shift the pump control lever the LOWER position and pump until the LOWER lines are bled; also tighten the corresponding connections.

Shift the pump control lever the RAISE position and pump until the RAISE lines are bled; also tighten the corresponding

Bleed the latch cylinders and tighten the connections.

Bleed the push port the tilt cylinder and tighten the

10. After the entire system has been bled, shift the pump control lever the LOWER position; then check and refill the reservoir , necessary .

Note: The recommended type fluid for the cab tilt system - A (MIL - H - 5606E); the approximate capacity liters https://www.truck-manuals.net/mack/

The pump contr lever must the LOWER position befor e operating the vehicle.