MAINTENANCE
3-9
235 MM331 (3--93)
TO REPLACE FILTER ELEMENT
1. Stop the engine and set the machine
parking brake.
FOR SAFETY: Before Leaving Or Servicing
Machine; Stop On Level Surface, Set Parking
Brake, Turn Off Machine And Remove Key.
2. Open the seat support.
A
03395
HYDRAULIC FLUID FILTER
A. Filter Element
3. Unthread and discard the hydraulic fluid filter
element.
4. Apply a thin coat of hydraulic fluid to the seal
of the new hydraulic fluid filter element.
5. Thread and hand tighten the new hydraulic
fluid filter element on the filter head.
6. Close the seat support.
7. Operate the machine and check for leaks.
Correct any leaks found.
8. Check the hydraulic fluid reservoir level and
fill as required.
HYDRAULIC PUMPS
The machine propelling pump is a variable
displacement hydraulic piston pump. It is driven
by the engine via a dual belt.
The machine accessories pump is a hydraulic
gear pump. It is driven by a belt from the
propelling pump sheave.
After repairing or replacing a hydraulic pump, or
when system contamination is likely, change the
hydraulic fluid in the reservoir and the hydraulic
fluid filter. Then the proper start and break-in
procedure must be followed to prevent possible
damage to the pump. Replace the hydraulic fluid
filter after the first hour of operation.
TO START
AND BREAK-IN HYDRAULIC PUMP
outlines the
procedure.
TO START AND BREAK-IN HYDRAULIC PUMP
1. Stop the engine, set the machine parking
brake and block the front tires of the
machine.
FOR SAFETY: Before Leaving Or Servicing
Machine; Stop On Level Surface, Set Parking
Brake, Turn Off Machine And Remove Key.
2. Jack up the rear of the machine at the
designated locations.
FOR SAFETY: When Servicing Machine, Block
Machine Tires Before Jacking Machine Up.
3. Block up the machine with jack stands in the
designated locations. Make sure the rear tire
clears the floor by 2 in (50 mm) and all
obstacles within a 24 in (610 mm) radius.
FOR SAFETY: When Servicing Machine, Jack
Machine Up At Designated Locations Only.
Block Machine Up With Jack Stands.
4. Fill the hydraulic fluid reservoir with 3 gal
(11 L) of new, approved hydraulic fluid.
5. Fill the hydraulic pump through the case
drain port with hydraulic fluid.
6. Remove the engine coil wire from the engine
distributor or turn off fuel flow.
7. Operate the engine starter motor for three
10 second periods.
Summary of Contents for 235D
Page 1: ...235D MM331 ...
Page 6: ...ABOUT THIS MANUAL 235 MM331 3 93 d ...
Page 14: ...SPECIFICATIONS 235 MM331 3 93 1 2 ...
Page 18: ...SPECIFICATIONS 235 MM331 3 93 1 6 ...
Page 20: ...OPERATION 235 MM331 3 93 2 2 ...
Page 36: ...OPERATION 235 MM331 3 93 2 18 ...
Page 38: ...MAINTENANCE 235 MM331 3 93 3 2 ...
Page 49: ...MAINTENANCE 3 13 235 MM331 3 94 03460 HYDRAULIC SCHEMATIC ...
Page 60: ...MAINTENANCE 235 MM331 3 94 3 24 03490 ELECTRICAL SCHEMATIC ...
Page 61: ...MAINTENANCE 3 25 235 MM331 3 94 03490 ELECTRICAL SCHEMATIC AUXILIARY SIDE BRUSH ...
Page 78: ...MAINTENANCE 235 MM331 3 94 3 42 ...
Page 80: ...APPENDIX 235 MM331 3 93 4 2 ...
Page 84: ...STANDARD MODEL PARTS 235 MM331 3 93 5 2 ...
Page 134: ...STANDARD MODEL PARTS 235 MM331 3 94 5 52 4 2 3 1 Fig 29 Wire Harness Group ...
Page 138: ...OPTIONS 235 MM331 3 93 6 2 ...
Page 152: ...HYDRAULIC COMPONENTS 235 MM331 3 93 7 2 ...
Page 164: ...ENGINE PARTS DIESEL 235 MM331 3 93 8 2 ...