4-79. HYDRAULIC PUMP REPAIR (M832 SN J089-001 THRU 159 AND J017-160 THRU 350
Remove cap assembly (29) and pipe bushing (28) from pump (13) and body.
Dry cleaning solvent, P-D-680, is toxic and flammable.
goggles and gloves, and use only in a well-ventilated area.
yes, and clothes and DO NOT breath vapors. 00 NOT
Always wear protective
Avoid contact with skin,
use near open flame or
excessive heat. The solvents flashpoint is 100°F-138°F (38°C-59°C). If you become
dizzy while using dry cleaning solvent, Immediately get fresh air and medical help. If
solvent contacts your eyes, Immediately flush them with water and get medical ski.
Make sure all rubber places have been removed from hydraulic jack assembly parts
prior to cleaning with P-D-680. Rubber will absorb the solvent, causing swelling and
deterioration of rubber components.
Clean all metal parts in dry cleaning solvent, wipe parts clean with clean, dry, Iint-free cloth, and dry thoroughly.
Compressed air used for cleaning or drying purposes, or for clearing restrictions,
should never exceed 30 psi (207 kPa). Wear protective clothing (goggles/shield,
gloves, etc.) and use caution to avoid injury to personnel.
Flush inside of hydraulic pump reservoir with dry cleaning solvent. Dry with compressed air.
Inspect all components for damage and wear. Replace worn or damaged parts.
Apply clean hydraulic fluid to surface of all components and to inside of hydraulic reservoir.
Take cars not to stretch valve springs. Install all seals and packings with seal lips
facing down toward the pressure. Dip each part in clean hydraulic oil before assembly.
The hydraulic pump on the M832 (SN J089-001 thru 159 and J017-160 thru 350)
does not have the release screw, release seal, and 5/16-inch diameter ball
Included in the hydraulic pump repair kit. These items are to be returned to