Hitachi H 45MEY Service Manual page 14

Lubrication points and types of lubricant
Fill specified grease (for the hammer and hammer drill) to the following point.
• Fill 40 g of specified grease in the Crank Case [91]{88} on the Connecting Rod Ass'y [42]{39} side.
Apply specified grease (for the hammer and hammer drill) to the following points.
• Apply specified grease to the inside and outside of the Cylinder <33>, sliding portion of the Striker <35>,
and O-ring (S-40) [89]{86} of the Striker <35>.
• Apply specified grease to the inside of the Connecting Rod Ass'y [42]{39}, inside of the Needle Bearing
[43]{40}, outside of the Piston [41]{38}, and O-ring (S-40) [89]{86} of the Piston [41]{38}.
• Apply specified grease to the sliding portion of the Second Hammer <26> and O-ring (C) <25> of the
Second Hammer <26>.
• Apply specified grease to the inner lips of Oil Seal (B) [90]{87}, inside of the metal in the Crank Case
[91]{88}, inside of the Weight [38], Weight Spring [37], Damper <28>, Retainer Damper (B) <22>,
Damper (C) <30>, and inside and outside (polished surfaces) of the Retainer Sleeve <24>.
Fill or apply Hitachi Motor Grease No. 29 to the following points.
• Fill a total of 20 g of Hitachi Motor Grease No. 29 in the Crank Case [91]{88} on the First Gear [96]{93}
side and the Gear Cover [99]{96} side.
• Apply Hitachi Motor Grease No. 29 to the Needle Bearing (M661) [97]{94}, pinion portion of the Rotor
[102]{99}, Bit Lock <23>, and Steel Ball D5 <7>.
• Specified grease (for the hammer and hammer drill)
CAUTION: Both viscosity and consistency of the specified grease are optimized for the
demolition hammer Models H 45MEY and H 45ME in order to prolong the service
life. Therefore, applying ordinary grease intended for other models (e.g. Model
DH 40MEY) to the Models H 45MEY and H 45ME may dramatically shorten the
product's service life.
500 g
Net weight
500 g
30 g
Code No.
980927
981840
-13-
30 g