EXHAUST HOSE

TM 10-3930-623-12

6-77. BRAKE PEDAL.

4. Remove eleven nuts and washers holding

manifold assembly to cylinder block.

6-78. REMOVAL,

5. Remove positive crankcase ventilation valve and

tubing assembly.

1. Remove

hydraulic

brake

master

cylinder

6. Remove manifold assembly and gasket from

(para 6-74).

engine.

2. Remove pedal retractor spring (5, fig. 6-6),

6-85. INSTALLATION. Refer to paragraph 6-81 and

3. Remove brake pedal (11) by removing trunnion

reverse removal procedures to install intake and exhaust

bolts (12 and 13) and headed pin (17) to master cylinder

manifolds.

push rod.

6-86. RETURN LINE FILTER ASSEMBLY. Assemble

filter by-pass valve parts (3, 4, 5 and 6, fig. 6-8) to filter

6- 79 INSTALLATION.

head (8) with machine screw (1) and nut (2).

1. Reverse removal procedure and install the brake

pedal assembly.

NOTE

2. Adjust brake pedal stop screw (6) to provide a

1/8 inch free movement of push rod (33) before contact

Filter element is left off until the filter

and resistance of piston (37) is felt. This should provide

head is installed to provide sufficient

necessary 1 inch "free" movement at pedal pad (8).

clearance.

6-87. RETURN LINE FILTER INSTALLATION.

6-80. EXHAUST HOSE.

6-81. REMOVAL.

1. Install street elbow (fig. 6-2) into filter assembly

1. Remove clamps (1 & 3, fig. 6-7) from exhaust

outlet port and control valve to filter pipe into the inlet

hose (7).

port.

2. Remove 2 screws (4), lockwashers (5), and

2. Tighten elbow until it is face down and install

washers (6), from exhaust hose bracket.

hose adapter.

3. Slide exhaust hose from exhaust pipe (10) and

3. Install filter and pipe with valve adapter in control

then remove curved portion of pipe from muffler (2).

valve.

6-82. INSTALLATION. Reverse removal procedure and

NOTE

install the exhaust hose.

Tighten assembly with wrench on

6-83.

INTAKE

AND

EXHAUST

MANIFOLD

flats of filter head. Do not use filter

ASSEMBLY.

element as lever to tighten joints.

6-84. REMOVAL.

4. Install clamps and hose between filter outlet and

hydraulic system reservoir tank.

1. Remove exhaust hose (para 6-80).

5. Install new filter element (7, fig. 6-9). Coat

2. Remove air inlet tube (fig. 6-8), accelerator rod,

element seal with OE-engine oil. Tighten hand tight and

fuel line, governor control rod and choke cable from

then tighten one-half turn.

carburetor.

3. Remove two nuts and lockwashers attaching

carburetor to intake manifold. Remove carburetor with

gasket.

6-13